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  <xs:element id="wdq_TemporaryEquityAccretionOfDividendsAttributableToCommonStockholdersBasic" abstract="false" name="TemporaryEquityAccretionOfDividendsAttributableToCommonStockholdersBasic" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_OperatingAndFinanceLeaseLiabilityToBePaidYearFour" abstract="false" name="OperatingAndFinanceLeaseLiabilityToBePaidYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_EnvironmentalCreditsMember" abstract="true" name="EnvironmentalCreditsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_OtherDerivativesMember" abstract="true" name="OtherDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_NumberOfNaturalGasProducers" abstract="false" name="NumberOfNaturalGasProducers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdq_ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest" abstract="false" name="ComprehensiveIncomeLossNetOfTaxAttributableToRedeemableNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_RenewablePowerSegmentMember" abstract="true" name="RenewablePowerSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_NumberOfStandbyLettersOfCreditsHeld" abstract="false" name="NumberOfStandbyLettersOfCreditsHeld" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdq_StaffingAndManagementServicesMember" abstract="true" name="StaffingAndManagementServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_VariableRatePeriodAxis" abstract="true" name="VariableRatePeriodAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="wdq_TemporaryEquityIncreaseFromDividendDistribution" abstract="false" name="TemporaryEquityIncreaseFromDividendDistribution" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_CommodityContractContractTwoMember" abstract="true" name="CommodityContractContractTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_OperatingAndFinanceLeaseLiabilityToBePaidYearTwo" abstract="false" name="OperatingAndFinanceLeaseLiabilityToBePaidYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_IncreaseDecreaseInEquityMethodInvestmentsRollForward" abstract="true" name="IncreaseDecreaseInEquityMethodInvestmentsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdq_SiteMember" abstract="true" name="SiteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_OperatingAndFinanceLeaseLiabilityToBePaidYearOne" abstract="false" name="OperatingAndFinanceLeaseLiabilityToBePaidYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_PlantAndEquipmentMember" abstract="true" name="PlantAndEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_RevenuePercentage" abstract="false" name="RevenuePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_ClassBOrdinaryShareMember" abstract="true" name="ClassBOrdinaryShareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_MeasurementInputCostOfCapitalMember" abstract="true" name="MeasurementInputCostOfCapitalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_ForfeitureOnSharesIssuedWarrantExchange" abstract="false" name="ForfeitureOnSharesIssuedWarrantExchange" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wdq_DebtInstrumentCovenantPeriodOneMember" abstract="true" name="DebtInstrumentCovenantPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_TwoSuppliersMember" abstract="true" name="TwoSuppliersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdq_OpalTermLoanIIDelayedTermLoanDDTLFacilityMember" abstract="true" name="OpalTermLoanIIDelayedTermLoanDDTLFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_FinancingReceivablePaidInKindInterestIncome" abstract="false" name="FinancingReceivablePaidInKindInterestIncome" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_SaleOfStockNumberOfSharesSubscribed" abstract="false" name="SaleOfStockNumberOfSharesSubscribed" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wdq_SupplyCommitmentPlanToSellMinimumPercentage" abstract="false" name="SupplyCommitmentPlanToSellMinimumPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_DebtInstrumentPeriodicPaymentPercentageOfOutstandingDebt" abstract="false" name="DebtInstrumentPeriodicPaymentPercentageOfOutstandingDebt" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_VariableRateFixedMarginPeriodOneMember" abstract="true" name="VariableRateFixedMarginPeriodOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_TransmissionDistributionInterconnectionMember" abstract="true" name="TransmissionDistributionInterconnectionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_DerivativeInstrumentContingentConsiderationLiabilityPrice" abstract="false" name="DerivativeInstrumentContingentConsiderationLiabilityPrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="wdq_TreasuryStockSharesAcquiredFairValue" abstract="false" name="TreasuryStockSharesAcquiredFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wdq_NaturalGasCompressedMember" abstract="true" name="NaturalGasCompressedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_OtherComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest" abstract="false" name="OtherComprehensiveIncomeLossNetOfTaxAttributableToNonredeemableNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_NoncashContingentConsiderationFairValueAdjustmentsToRedeemNoncontrollingInterest" abstract="false" name="NoncashContingentConsiderationFairValueAdjustmentsToRedeemNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_OtherProductsAndServicesMember" abstract="true" name="OtherProductsAndServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdq_DeferredFinancingCostsAndCapitalizedInterestMember" abstract="true" name="DeferredFinancingCostsAndCapitalizedInterestMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdq_WeightedAverageRemainingLeaseTermAbstract" abstract="true" name="WeightedAverageRemainingLeaseTermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdq_OpalTermLoanIIMember" abstract="true" name="OpalTermLoanIIMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_OpalTermLoanMember" abstract="true" name="OpalTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsIncludingNetPeriodicSettlementsGainLossNet" abstract="false" name="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsIncludingNetPeriodicSettlementsGainLossNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_RightOfUseLiabilitiesObtainedInExchangeForFinanceLeaseLiabilityNoncurrent" abstract="false" name="RightOfUseLiabilitiesObtainedInExchangeForFinanceLeaseLiabilityNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_LossOnExchangeOfWarrants" abstract="false" name="LossOnExchangeOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_PineBendSunomaAndNobleRoadMember" abstract="true" name="PineBendSunomaAndNobleRoadMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_NumberOfAgreements" abstract="false" name="NumberOfAgreements" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdq_CostarPartnersLLCCostarMember" abstract="true" name="CostarPartnersLLCCostarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_TemporaryEquityIncreaseFromStockBasedCompensation" abstract="false" name="TemporaryEquityIncreaseFromStockBasedCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsNetPeriodicSettlements" abstract="false" name="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsNetPeriodicSettlements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_PreferredStockDividendRateIfFailedToRedeem" abstract="false" name="PreferredStockDividendRateIfFailedToRedeem" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_DebtInstrumentCovenantLeverageRatioMaximum" abstract="false" name="DebtInstrumentCovenantLeverageRatioMaximum" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="wdq_OperatingAndFinanceLeaseLiabilityNoncurrent" abstract="false" name="OperatingAndFinanceLeaseLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_FortistarLLCFortistarMember" abstract="true" name="FortistarLLCFortistarMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_NextEraMember" abstract="true" name="NextEraMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_FinancingReceivableStatedInterestRatePortionPayableInKind" abstract="false" name="FinancingReceivableStatedInterestRatePortionPayableInKind" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_A2022OmnibusEquityIncentivePlan2022PlanMember" abstract="true" name="A2022OmnibusEquityIncentivePlan2022PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_OperatingAndFinanceLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="OperatingAndFinanceLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_DebtInstrumentPeriodicPaymentAdditionalAmount" abstract="false" name="DebtInstrumentPeriodicPaymentAdditionalAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_DerivativeInstrumentContingentConsiderationLiabilityShares" abstract="false" name="DerivativeInstrumentContingentConsiderationLiabilityShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="wdq_OperatingAndFinanceLeaseLiabilityToBePaidYearThree" abstract="false" name="OperatingAndFinanceLeaseLiabilityToBePaidYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_ReverseRecapitalizationCommonStockSubjectToVestingAndForfeitureConditionsPeriod" abstract="false" name="ReverseRecapitalizationCommonStockSubjectToVestingAndForfeitureConditionsPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdq_EmeraldAndSapphireMember" abstract="true" name="EmeraldAndSapphireMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdq_OfficeFurnitureAndFixturesAndOfficeEquipmentMember" abstract="true" name="OfficeFurnitureAndFixturesAndOfficeEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_CommodityContractContractThreeMember" abstract="true" name="CommodityContractContractThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_VariableRateFixedMarginPeriodThreeMember" abstract="true" name="VariableRateFixedMarginPeriodThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_IncreaseDecreaseInPartsInventories" abstract="false" name="IncreaseDecreaseInPartsInventories" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_NoncontrollingInterestNumberOfSubsidiariesWithNoncontrollingOwnership" abstract="false" name="NoncontrollingInterestNumberOfSubsidiariesWithNoncontrollingOwnership" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdq_SponsorEarnoutSharesMember" abstract="true" name="SponsorEarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_CommonClassDMember" abstract="true" name="CommonClassDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_TwoCustomersMember" abstract="true" name="TwoCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_DerivativeInstrumentMinimumAnnualElectricOutput" abstract="false" name="DerivativeInstrumentMinimumAnnualElectricOutput" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:energyItemType"/>
  <xs:element id="wdq_ReverseRecapitalizationPercentageOfCommonStockSubjectToVestingAndForfeitureConditions" abstract="false" name="ReverseRecapitalizationPercentageOfCommonStockSubjectToVestingAndForfeitureConditions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_OPALFuelsIntermediateHoldingCompanyLLCOPALIntermediateHoldcoMember" abstract="true" name="OPALFuelsIntermediateHoldingCompanyLLCOPALIntermediateHoldcoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_PreferredStockDividendRateIfFailedToRedeemMaximum" abstract="false" name="PreferredStockDividendRateIfFailedToRedeemMaximum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_PermanentLoanMember" abstract="true" name="PermanentLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_ThirdAmendedAndRestatedGasSaleAndPurchaseAgreementAndThirdAmendedAndRestatedSiteLeaseAgreementAgreementsMember" abstract="true" name="ThirdAmendedAndRestatedGasSaleAndPurchaseAgreementAndThirdAmendedAndRestatedSiteLeaseAgreementAgreementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdq_PreferredStockRedemptionPeriodAfterWhichRedeemable" abstract="false" name="PreferredStockRedemptionPeriodAfterWhichRedeemable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdq_OmnibusAndConsentAgreementTheFM3AmendmentMember" abstract="true" name="OmnibusAndConsentAgreementTheFM3AmendmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_ThreeCustomersMember" abstract="true" name="ThreeCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_GainLossOnTransfersOfNonFinancialAssetsAccountedForAsSale" abstract="false" name="GainLossOnTransfersOfNonFinancialAssetsAccountedForAsSale" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_SeniorSecuredCreditFacilityMember" abstract="true" name="SeniorSecuredCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_TemporaryEquityAmortizationOnPaymentToAcquireNonRedeemableNoncontrollingInterest" abstract="false" name="TemporaryEquityAmortizationOnPaymentToAcquireNonRedeemableNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_PreferredStockDividendRateEventOfDefaultMaximumAfterIncreasesPercentage" abstract="false" name="PreferredStockDividendRateEventOfDefaultMaximumAfterIncreasesPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_NumberOfLeases" abstract="false" name="NumberOfLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdq_IncreaseDecreaseInTemporaryEquityUnitsRollForward" abstract="true" name="IncreaseDecreaseInTemporaryEquityUnitsRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdq_NaturalGasRenewableMember" abstract="true" name="NaturalGasRenewableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_SeriesA1PreferredStockMember" abstract="true" name="SeriesA1PreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_SunomaMember" abstract="true" name="SunomaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_PreferredStockConversionSecondYearDiscountPercentage" abstract="false" name="PreferredStockConversionSecondYearDiscountPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_DebtInstrumentRestrictedBorrowingCapacityAmount" abstract="false" name="DebtInstrumentRestrictedBorrowingCapacityAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_BrownGasMember" abstract="true" name="BrownGasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_PurchaseAndSaleAgreementAndLeaseAgreementTermOfContract" abstract="false" name="PurchaseAndSaleAgreementAndLeaseAgreementTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdq_SponsorMembersMember" abstract="true" name="SponsorMembersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_DebtInstrumentCovenantMinimumRequiredLiquidity" abstract="false" name="DebtInstrumentCovenantMinimumRequiredLiquidity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_NoncashDividendsRedeemablePreferredNonControllingInterestsPaidInKind" abstract="false" name="NoncashDividendsRedeemablePreferredNonControllingInterestsPaidInKind" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_IncreaseDecreaseInTemporaryEquityAmountRollForward" abstract="true" name="IncreaseDecreaseInTemporaryEquityAmountRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="wdq_InterestAndFinancingExpenseNet" abstract="false" name="InterestAndFinancingExpenseNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_HillmanMember" abstract="true" name="HillmanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_ProceedsFromNonredeemableNoncontrollingInterest" abstract="false" name="ProceedsFromNonredeemableNoncontrollingInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_SeniorSecuredCreditFacilityTermLoanMember" abstract="true" name="SeniorSecuredCreditFacilityTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_EquityMethodInvestmentOwnershipPercentageTransferred" abstract="false" name="EquityMethodInvestmentOwnershipPercentageTransferred" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdq_OpalEarnoutSharesMember" abstract="true" name="OpalEarnoutSharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_NaturalGasLandfillMember" abstract="true" name="NaturalGasLandfillMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="wdq_BioTownBiogasLLCBiotownMember" abstract="true" name="BioTownBiogasLLCBiotownMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_EquityMethodInvestmentNumberOfEntitiesDeconsolidated" abstract="false" name="EquityMethodInvestmentNumberOfEntitiesDeconsolidated" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdq_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" abstract="false" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_AssetRetirementObligationMeasurementInput" abstract="false" name="AssetRetirementObligationMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="wdq_ReynoldsRNGLLCMember" abstract="true" name="ReynoldsRNGLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_TemporaryEquityAccretionOfDividendsAttributableToParent" abstract="false" name="TemporaryEquityAccretionOfDividendsAttributableToParent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_DerivativeInstrumentContingentConsiderationLiabilityPeriod" abstract="false" name="DerivativeInstrumentContingentConsiderationLiabilityPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdq_PreferredStockRedemptionPeriodAfterFourthAnniversary" abstract="false" name="PreferredStockRedemptionPeriodAfterFourthAnniversary" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="wdq_CommodityContractContractOneMember" abstract="true" name="CommodityContractContractOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_OperatingAndFinanceLeaseRightOfUseAsset" abstract="false" name="OperatingAndFinanceLeaseRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_PartsMember" abstract="true" name="PartsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_DebtInstrumentReimbursementsReceived" abstract="false" name="DebtInstrumentReimbursementsReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_NumberOfFacilities" abstract="false" name="NumberOfFacilities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdq_NobleRoadMember" abstract="true" name="NobleRoadMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_RelatedPartyTransactionServiceFeesFixedAnnualPaymentAmount" abstract="false" name="RelatedPartyTransactionServiceFeesFixedAnnualPaymentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="wdq_PreferredStockDividendRateElectionToIssueAdditionalPreferredUnitsNumberOfFirstDividendPayments" abstract="false" name="PreferredStockDividendRateElectionToIssueAdditionalPreferredUnitsNumberOfFirstDividendPayments" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="wdq_PreferredStockDividendRateIncreaseToAfterOneYearIfFailedToRedeem" abstract="false" name="PreferredStockDividendRateIncreaseToAfterOneYearIfFailedToRedeem" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_PreferredStockDividendRateEventOfDefaultPercentage" abstract="false" name="PreferredStockDividendRateEventOfDefaultPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="wdq_PineBendMember" abstract="true" name="PineBendMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="wdq_EquityMethodInvestmentMeasurementInput" abstract="false" name="EquityMethodInvestmentMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="wdq_RestrictedCashCurrentInterestReserve" abstract="false" name="RestrictedCashCurrentInterestReserve" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
