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  <xsd:element id="vtnr_BusinessCombinationConsiderationTransferredAdditionalEarnOutPaymentPercentageofNetIncomeBeforeTaxes" name="BusinessCombinationConsiderationTransferredAdditionalEarnOutPaymentPercentageofNetIncomeBeforeTaxes" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
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  <xsd:element id="vtnr_BusinessCombinationContingentConsiderationArrangementsChangeinAmountofContingentConsiderationLiabilityAttributabletoEarningsExpectationsinCurrentYear" name="BusinessCombinationContingentConsiderationArrangementsChangeinAmountofContingentConsiderationLiabilityAttributabletoEarningsExpectationsinCurrentYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
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  <xsd:element id="vtnr_BusinessCombinationContingentConsiderationLiabilityPaymentstoSellerNextTwelveMonths" name="BusinessCombinationContingentConsiderationLiabilityPaymentstoSellerNextTwelveMonths" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_BusinessCombinationContingentConsiderationLiabilityPaymentstoSellerYearFour" name="BusinessCombinationContingentConsiderationLiabilityPaymentstoSellerYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element id="vtnr_BusinessCombinationContingentConsiderationLiabilityPercentageofDiscountedCashFlowsCurrentYear" name="BusinessCombinationContingentConsiderationLiabilityPercentageofDiscountedCashFlowsCurrentYear" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_BusinessCombinationContingentConsiderationLiabilityWriteOff" name="BusinessCombinationContingentConsiderationLiabilityWriteOff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_BusinessCombinationMaximumNumberofSharesSoldPerWeek" name="BusinessCombinationMaximumNumberofSharesSoldPerWeek" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeposits" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedDeposits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFinancingReceivable" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFinancingReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFiniteLivedIntangiblesNonCompeteAgreements" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFiniteLivedIntangiblesNonCompeteAgreements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFiniteLivedIntangiblesTechnology" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedFiniteLivedIntangiblesTechnology" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedNumberofCapitalLeasesAssumed" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedNumberofCapitalLeasesAssumed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedPurchaseGain" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedPurchaseGain" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_ClassofWarrantorRightCashlessExerciseRightsPeriodAfterGrantDate" name="ClassofWarrantorRightCashlessExerciseRightsPeriodAfterGrantDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ClassofWarrantorRightExercisePriceofWarrants" name="ClassofWarrantorRightExercisePriceofWarrants" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_ClassofWarrantorRightFairValueofWarrantorRight" name="ClassofWarrantorRightFairValueofWarrantorRight" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ClassofWarrantorRightTermofWarrantsorRights" name="ClassofWarrantorRightTermofWarrantsorRights" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ClassofWarrantorRightWarrantCoverageinConnectionwithSaleofStock" name="ClassofWarrantorRightWarrantCoverageinConnectionwithSaleofStock" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_CommonStockTextBlock" name="CommonStockTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_CommonStockVotingRightsNumberofVotesPerShare" name="CommonStockVotingRightsNumberofVotesPerShare" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_ConcentrationsSignificantCustomersCommitmentsAndContingenciesDisclosureAbstract" name="ConcentrationsSignificantCustomersCommitmentsAndContingenciesDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ConcentrationsSignificantCustomersCommitmentsAndContingenciesTextBlock" name="ConcentrationsSignificantCustomersCommitmentsAndContingenciesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_ContingentConsiderationAbstract" name="ContingentConsiderationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationClosingVolumeWeightedAveragePrice" name="ContingentConsiderationClosingVolumeWeightedAveragePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_ContingentConsiderationDetailsNarrativeAbstract" name="ContingentConsiderationDetailsNarrativeAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationDuringEarnoutPeriod" name="ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationDuringEarnoutPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationEBITDAAggregateAmount" name="ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationEBITDAAggregateAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationEBITDANumberofShares" name="ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationEBITDANumberofShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationEBITDATargetEarningsFloorDuringYearTwo" name="ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationEBITDATargetEarningsFloorDuringYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationEBITDATargetEarningsFloorOverSucceeding12monthPeriod" name="ContingentConsiderationEarningsBeforeInterestTaxesDepreciationandAmortizationEBITDATargetEarningsFloorOverSucceeding12monthPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_ContingentConsiderationEstimatedAggregateCapitalExpendituresIncurred" name="ContingentConsiderationEstimatedAggregateCapitalExpendituresIncurred" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationInventoryAdjustmentPayable" name="ContingentConsiderationInventoryAdjustmentPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_ContingentConsiderationInventoryPostClosingAdjustmentPeriod" name="ContingentConsiderationInventoryPostClosingAdjustmentPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationMaximumContingentPaymentReduction" name="ContingentConsiderationMaximumContingentPaymentReduction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationNumberofConsecutiveTradingDaysUsedtoComputeVolumeWeightedAverageSharePrice" name="ContingentConsiderationNumberofConsecutiveTradingDaysUsedtoComputeVolumeWeightedAverageSharePrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationNumberofSharestobeIssued" name="ContingentConsiderationNumberofSharestobeIssued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_ContingentConsiderationPaymentDue" name="ContingentConsiderationPaymentDue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationPaymentPercentageCash" name="ContingentConsiderationPaymentPercentageCash" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationPaymentPercentageShares" name="ContingentConsiderationPaymentPercentageShares" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationReductionPercentageofTotalCapitalExpendituresIncurred" name="ContingentConsiderationReductionPercentageofTotalCapitalExpendituresIncurred" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ContingentConsiderationTextBlock" name="ContingentConsiderationTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ConversionOfPreferredStockToCommon" name="ConversionOfPreferredStockToCommon" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ConversionOfPreferredStockToCommonShares" name="ConversionOfPreferredStockToCommonShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_CreditAgreement2012Member" name="CreditAgreement2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_CreditAgreement2014Member" name="CreditAgreement2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Customer1Member" name="Customer1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Customer2Member" name="Customer2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Customer3Member" name="Customer3Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Customer4Member" name="Customer4Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Customer5Member" name="Customer5Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Customer6Member" name="Customer6Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Customer7Member" name="Customer7Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Customer8Member" name="Customer8Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAdditionalExpectedAmount" name="DebtInstrumentAdditionalExpectedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_DebtInstrumentAdditionalExpectedAmountPercentageofInventory" name="DebtInstrumentAdditionalExpectedAmountPercentageofInventory" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAdvanceRateEligibleInventory" name="DebtInstrumentAdvanceRateEligibleInventory" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAdvanceRateQualifiedAccounts" name="DebtInstrumentAdvanceRateQualifiedAccounts" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAdvanceRateReductionQualifiedAccounts" name="DebtInstrumentAdvanceRateReductionQualifiedAccounts" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAdvanceRateReductionQualifiedAccountsCalculationThreshold" name="DebtInstrumentAdvanceRateReductionQualifiedAccountsCalculationThreshold" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAmendmentTermsCashandAvailableBorrowingsMandatoryAmount" name="DebtInstrumentAmendmentTermsCashandAvailableBorrowingsMandatoryAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAmendmentTermsMandatoryPrepaymentAmount" name="DebtInstrumentAmendmentTermsMandatoryPrepaymentAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAmendmentTermsMandatoryPrepaymentAmountAdditionalAmount" name="DebtInstrumentAmendmentTermsMandatoryPrepaymentAmountAdditionalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentAmendmentTermsPaymentsforAdministrationFees" name="DebtInstrumentAmendmentTermsPaymentsforAdministrationFees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentBasisSpreadonVariableRateComponentofNumerator" name="DebtInstrumentBasisSpreadonVariableRateComponentofNumerator" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentDebtDefaultInterestRate" name="DebtInstrumentDebtDefaultInterestRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentDefaultEventsAcceleratedDebtThreshold" name="DebtInstrumentDefaultEventsAcceleratedDebtThreshold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentDefaultEventsJudgmentAppealPeriod" name="DebtInstrumentDefaultEventsJudgmentAppealPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentDefaultEventsJudgmentObtainedAgainstCompany" name="DebtInstrumentDefaultEventsJudgmentObtainedAgainstCompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentDefaultEventsMaximumTimePeriodtoAppointInterimSuccessor" name="DebtInstrumentDefaultEventsMaximumTimePeriodtoAppointInterimSuccessor" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentDefaultEventsMaximumTimePeriodtoAppointPermanentSuccessor" name="DebtInstrumentDefaultEventsMaximumTimePeriodtoAppointPermanentSuccessor" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentExpectedAmount" name="DebtInstrumentExpectedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_DebtInstrumentExpectedAmountPercentageofAccountsReceivable" name="DebtInstrumentExpectedAmountPercentageofAccountsReceivable" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentMinimumAverageDailyLoanBalance" name="DebtInstrumentMinimumAverageDailyLoanBalance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentMinimumTerminationNotice" name="DebtInstrumentMinimumTerminationNotice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentPaymentTermsNumberofPayments" name="DebtInstrumentPaymentTermsNumberofPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentPrepaymentTermsPercentageTotalConsolidatedDebtExceedsTotalConsolidatedEBITDA" name="DebtInstrumentPrepaymentTermsPercentageTotalConsolidatedDebtExceedsTotalConsolidatedEBITDA" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_DebtInstrumentTerminationFee" name="DebtInstrumentTerminationFee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Denominator1Abstract" name="Denominator1Abstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_ESourceHoldingsLLCMember" name="ESourceHoldingsLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_EarnOutConsiderationEBITDAMeasurementPeriod" name="EarnOutConsiderationEBITDAMeasurementPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_EarnOutConsiderationEBITDAPerformancePeriod" name="EarnOutConsiderationEBITDAPerformancePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_EarningsBeforeInterestTaxesDepreciationandAmortizationContingentPaymentTierAxis" name="EarningsBeforeInterestTaxesDepreciationandAmortizationContingentPaymentTierAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_EarningsBeforeInterestTaxesDepreciationandAmortizationContingentPaymentTierDomain" name="EarningsBeforeInterestTaxesDepreciationandAmortizationContingentPaymentTierDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_EffectOfDilutiveSecuritiesAbstract" name="EffectOfDilutiveSecuritiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ExercisableWeightedAverageRemainingContractualLifeInYears" name="ExercisableWeightedAverageRemainingContractualLifeInYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_FinancingReceivableInterestRateStatedPercentage" name="FinancingReceivableInterestRateStatedPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_FinancingReceivableNetIncrease" name="FinancingReceivableNetIncrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_FinancingReceivableTermsReductioninMotorOilInventoryDeferral" name="FinancingReceivableTermsReductioninMotorOilInventoryDeferral" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="vtnr_GoldmanSachsUSAMember" name="GoldmanSachsUSAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_HeartlandGroupHoldingsLLCMember" name="HeartlandGroupHoldingsLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_HeartlandGroupHoldingsLLCandOmegaRefiningMember" name="HeartlandGroupHoldingsLLCandOmegaRefiningMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_ICEBenchmarkAdministrationLimitedMember" name="ICEBenchmarkAdministrationLimitedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_InsurancePremiumFinancingMember" name="InsurancePremiumFinancingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_LeaseArrangementTypeAxis" name="LeaseArrangementTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_LeaseArrangementTypeDomain" name="LeaseArrangementTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_LenderWarrantMember" name="LenderWarrantMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LineofCreditFacilityAdditionalBorrowingCapacity" name="LineofCreditFacilityAdditionalBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_LineofCreditFacilityAdditionalFee" name="LineofCreditFacilityAdditionalFee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LineofCreditFacilityCollateralMonitoringChargePercentage" name="LineofCreditFacilityCollateralMonitoringChargePercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LineofCreditFacilityCovenantComplianceConsolidatedDebttoConsolidatedProFormaEarningsBeforeInterestTaxesDepreciationandAmortizationRatio" name="LineofCreditFacilityCovenantComplianceConsolidatedDebttoConsolidatedProFormaEarningsBeforeInterestTaxesDepreciationandAmortizationRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LineofCreditFacilityCovenantComplianceFixedChargeCoverageRatio" name="LineofCreditFacilityCovenantComplianceFixedChargeCoverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_LineofCreditFacilityCovenantTermsAvailableCapacityMinimumPercentageofCreditLimit" name="LineofCreditFacilityCovenantTermsAvailableCapacityMinimumPercentageofCreditLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LineofCreditFacilityCovenantTermsMaximumConsolidatedDebttoConsolidatedProFormaEarningsBeforeInterestTaxesDepreciationandAmortizationRatio" name="LineofCreditFacilityCovenantTermsMaximumConsolidatedDebttoConsolidatedProFormaEarningsBeforeInterestTaxesDepreciationandAmortizationRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LineofCreditFacilityCovenantTermsMinimumBorrowingCapacity" name="LineofCreditFacilityCovenantTermsMinimumBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_LineofCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio" name="LineofCreditFacilityCovenantTermsMinimumFixedChargeCoverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_LineofCreditFacilityFeePercentageofCreditLimit" name="LineofCreditFacilityFeePercentageofCreditLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LineofCreditFacilityPlacementFeePercentageofCreditLimit" name="LineofCreditFacilityPlacementFeePercentageofCreditLimit" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LineofCreditFacilityPrepaymentAmount" name="LineofCreditFacilityPrepaymentAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_LiquidStorageFacilityNumberofAcres" name="LiquidStorageFacilityNumberofAcres" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_LongtermDebtandCapitalLeaseObligationsIncludingCurrentMaturities" name="LongtermDebtandCapitalLeaseObligationsIncludingCurrentMaturities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="vtnr_MidCapLoanAgreementMember" name="MidCapLoanAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_MidCapMember" name="MidCapMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_NetOperatingLossUtilizationIncrease" name="NetOperatingLossUtilizationIncrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_NetOperatingLossesAcquiredAsResultOfMerger" name="NetOperatingLossesAcquiredAsResultOfMerger" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_NolRemainingBalance" name="NolRemainingBalance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_NolUntilized" name="NolUntilized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="vtnr_NonCashTransactionsAbstract" name="NonCashTransactionsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_NoncontrollingInterestDecreasefromRedemptionsorPurchaseofInterestsPercentage" name="NoncontrollingInterestDecreasefromRedemptionsorPurchaseofInterestsPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_NumberofConsecutiveTradingDaysConditionsforAutomaticCommonStockConversion" name="NumberofConsecutiveTradingDaysConditionsforAutomaticCommonStockConversion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_NumberofIndependentDirectorsIncludedonRelatedPartyCommittee" name="NumberofIndependentDirectorsIncludedonRelatedPartyCommittee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_NumberofRelatedPartyTransactions" name="NumberofRelatedPartyTransactions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_NumberofSuppliers" name="NumberofSuppliers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_NumberofSuppliersExceedingDisclosureBenchmark" name="NumberofSuppliersExceedingDisclosureBenchmark" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Numerator1Abstract" name="Numerator1Abstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_NumeratorAbstract" name="NumeratorAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_OmegaRefiningMember" name="OmegaRefiningMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_OmegaRefiningandBangoRefiningMember" name="OmegaRefiningandBangoRefiningMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_OptionsGrantedWeightedAverageRemainingContractualLifeInYears" name="OptionsGrantedWeightedAverageRemainingContractualLifeInYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_OptionsToPurchase" name="OptionsToPurchase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_OptionsToPurchaseSharesExercisedGross" name="OptionsToPurchaseSharesExercisedGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_OptionsToPurchaseSharesExercisedNet" name="OptionsToPurchaseSharesExercisedNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_OptionsToPurchaseSharesValue" name="OptionsToPurchaseSharesValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="vtnr_OrganizationAbstract" name="OrganizationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_OutstandingWeightedAverageExercisePriceWarrants" name="OutstandingWeightedAverageExercisePriceWarrants" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="vtnr_PacificWesternBankMember" name="PacificWesternBankMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_PaymentTierFourMember" name="PaymentTierFourMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_PaymentTierOneMember" name="PaymentTierOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_PaymentTierThreeMember" name="PaymentTierThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_PaymentTierTwoMember" name="PaymentTierTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_PaymentsforLoantoAcquiree" name="PaymentsforLoantoAcquiree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_PercentageofCombinedVotingPowerMaximum" name="PercentageofCombinedVotingPowerMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_PercentageofOutstandingCommonSharesMaximum" name="PercentageofOutstandingCommonSharesMaximum" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_PreferredStockAmountReceivedPriorToSimilarLiquidationPaymentsPerShare" name="PreferredStockAmountReceivedPriorToSimilarLiquidationPaymentsPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_PreferredStockConditionsforAutomaticCommonStockConversionAverageCommonStockPricePerShare" name="PreferredStockConditionsforAutomaticCommonStockConversionAverageCommonStockPricePerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_PreferredStockConditionsforAutomaticCommonStockConversionAverageDailyTradingVolume" name="PreferredStockConditionsforAutomaticCommonStockConversionAverageDailyTradingVolume" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_PreferredStockConditionsforAutomaticCommonStockConversionCommonStockTradingPrice" name="PreferredStockConditionsforAutomaticCommonStockConversionCommonStockTradingPrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_PreferredStockConditionsforAutomaticCommonStockConversionMinimumGrossPublicOfferingAmount" name="PreferredStockConditionsforAutomaticCommonStockConversionMinimumGrossPublicOfferingAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_PreferredStockConditionsforAutomaticCommonStockConversionMinimumProceedstoShareholdersifCompanyisSoldPerShare" name="PreferredStockConditionsforAutomaticCommonStockConversionMinimumProceedstoShareholdersifCompanyisSoldPerShare" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_PreferredStockConditionsforAutomaticCommonStockConversionPublicOfferingSharePrice" name="PreferredStockConditionsforAutomaticCommonStockConversionPublicOfferingSharePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_PreferredStockConditionsforAutomaticCommonStockConversionShareConversionPrice" name="PreferredStockConditionsforAutomaticCommonStockConversionShareConversionPrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ProceedsfromWarrantandStockOptionExercises" name="ProceedsfromWarrantandStockOptionExercises" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_RawMaterialsandFinishedGoodsMember" name="RawMaterialsandFinishedGoodsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_RecoveryMember" name="RecoveryMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_RefiningMarketingMember" name="RefiningMarketingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_RefiningMember" name="RefiningMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementDamageTermsDamagesPayablePeriod" name="RegistrationStatementDamageTermsDamagesPayablePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementDamageTermsPercentageofExercisePrice" name="RegistrationStatementDamageTermsPercentageofExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementDamageTermsPeriodInterval" name="RegistrationStatementDamageTermsPeriodInterval" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementDamageTermsThresholdPeriodOne" name="RegistrationStatementDamageTermsThresholdPeriodOne" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementDamagesOwedThresholdPeriodTwo" name="RegistrationStatementDamagesOwedThresholdPeriodTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementEffectiveRegistrationAnnualNumberofSuspensionDays" name="RegistrationStatementEffectiveRegistrationAnnualNumberofSuspensionDays" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementEffectiveRegistrationSuspensionPeriod" name="RegistrationStatementEffectiveRegistrationSuspensionPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementMaximumLengthofSuspensionWithoutConsent" name="RegistrationStatementMaximumLengthofSuspensionWithoutConsent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementMinimumNumberofShares" name="RegistrationStatementMinimumNumberofShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementPeriodtoFileStatement" name="RegistrationStatementPeriodtoFileStatement" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementPeriodtoObtainEffectivenessofStatementSECReview" name="RegistrationStatementPeriodtoObtainEffectivenessofStatementSECReview" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RegistrationStatementPeriodtoObtainEffectivenessofStatementifSECDoesNotReview" name="RegistrationStatementPeriodtoObtainEffectivenessofStatementifSECDoesNotReview" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_RelatedPartyLeasesMember" name="RelatedPartyLeasesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RelatedPartyTransactionMinorityInterestPercentage" name="RelatedPartyTransactionMinorityInterestPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_RelatedPartyTransactionMonthlyLeaseExpense" name="RelatedPartyTransactionMonthlyLeaseExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RelatedPartyTransactionPercentageofUtilitiesPaid" name="RelatedPartyTransactionPercentageofUtilitiesPaid" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_RepaymentsofNotesPayableMonthlyInstallment" name="RepaymentsofNotesPayableMonthlyInstallment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCancelledGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedCompensationArrangementbySharebasedPaymentAwardAnnualAwardVestingRightsPercentage" name="SharebasedCompensationArrangementbySharebasedPaymentAwardAnnualAwardVestingRightsPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantedDuringPeriodWeightedAverageRemainingContractualTerms" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantedDuringPeriodWeightedAverageRemainingContractualTerms" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofEmployeesGrantedOptions" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNumberofEmployeesGrantedOptions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAnnualAwardVestingRights" name="SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAnnualAwardVestingRights" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsVestedonGrantDate" name="SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsVestedonGrantDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedGoodsandNonemployeeServicesTransactionAutomaticRenewalNotificationThreshold" name="SharebasedGoodsandNonemployeeServicesTransactionAutomaticRenewalNotificationThreshold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedGoodsandNonemployeeServicesTransactionAwardRequisiteServicePeriod" name="SharebasedGoodsandNonemployeeServicesTransactionAwardRequisiteServicePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedGoodsandNonemployeeServicesTransactionNumberofSecuritiesCalledbyEachOption" name="SharebasedGoodsandNonemployeeServicesTransactionNumberofSecuritiesCalledbyEachOption" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedGoodsandNonemployeeServicesTransactionOptionsGrantedExercisePrice" name="SharebasedGoodsandNonemployeeServicesTransactionOptionsGrantedExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharebasedGoodsandNonemployeeServicesTransactionTerminationNoticePeriod" name="SharebasedGoodsandNonemployeeServicesTransactionTerminationNoticePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharesSoldDuringPeriodNumberofShares" name="SharesSoldDuringPeriodNumberofShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SharesSoldDuringPeriodValue" name="SharesSoldDuringPeriodValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_StockOfferingCosts" name="StockOfferingCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_StockOptionsExercisedDuringPeriodAggregateExercisePrice" name="StockOptionsExercisedDuringPeriodAggregateExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="vtnr_StockWarrantActivityTableTextBlock" name="StockWarrantActivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_SubstantialDoubtaboutGoingConcernTextBlock" name="SubstantialDoubtaboutGoingConcernTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Supplier1Member" name="Supplier1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_Supplier2Member" name="Supplier2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_TermLoanMember" name="TermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_TexasCitizensBankLoanMember" name="TexasCitizensBankLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_TheSecondAmendmentMember" name="TheSecondAmendmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_VariousInstitutionsMember" name="VariousInstitutionsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_VehiclesLabMember" name="VehiclesLabMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_VendorRelationsMember" name="VendorRelationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_VendorRelationshipsMember" name="VendorRelationshipsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_VertexAcquisitionSubMember" name="VertexAcquisitionSubMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_VertexEnergyOperatingMember" name="VertexEnergyOperatingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_VertexRefiningNevadaMember" name="VertexRefiningNevadaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_VestedWeightedAverageExercisePrice" name="VestedWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_VestedWeightedAverageRemainingContractualLifeInYears" name="VestedWeightedAverageRemainingContractualLifeInYears" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_WarrantsAndOptionsExercisedNet" name="WarrantsAndOptionsExercisedNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_WarrantsAndOptionsExercisedShares" name="WarrantsAndOptionsExercisedShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_WarrantsCancelledforfeitedexpiredWeightedAverageExercisePrice" name="WarrantsCancelledforfeitedexpiredWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_WarrantsExercisableShares" name="WarrantsExercisableShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_WarrantsExercisableWeightedAverageExercisePrice" name="WarrantsExercisableWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="vtnr_WarrantsExercisedWeightedAverageExercisePrice" name="WarrantsExercisedWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_WarrantsSoldtoChiefExecutiveOfficerMember" name="WarrantsSoldtoChiefExecutiveOfficerMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="vtnr_WarrantsToPurchase" name="WarrantsToPurchase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="vtnr_WorldWasteTechnologiesInc.Member" name="WorldWasteTechnologiesInc.Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>


