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  <element name="FinancialInstrumentsMaturityPeriod" id="acef_FinancialInstrumentsMaturityPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapContractsEnergyMember" id="acef_FuturesAndExchangeClearedSwapContractsEnergyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapContractsGrainsMember" id="acef_FuturesAndExchangeClearedSwapContractsGrainsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapContractsIndicesMember" id="acef_FuturesAndExchangeClearedSwapContractsIndicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapContractsLumberMember" id="acef_FuturesAndExchangeClearedSwapContractsLumberMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapContractsMember" id="acef_FuturesAndExchangeClearedSwapContractsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapContractsPurchasedMember" id="acef_FuturesAndExchangeClearedSwapContractsPurchasedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapContractsSoftsMember" id="acef_FuturesAndExchangeClearedSwapContractsSoftsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapContractsSoldMember" id="acef_FuturesAndExchangeClearedSwapContractsSoldMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesAndExchangeClearedSwapsMember" id="acef_FuturesAndExchangeClearedSwapsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FuturesContractsPolicyTextBlock" id="acef_FuturesContractsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GrainsMember" id="acef_GrainsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IndicesMember" id="acef_IndicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestIncomePerUnit" id="acef_InterestIncomePerUnit" type="num:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentInMasterFairValueDisclosure" id="acef_InvestmentInMasterFairValueDisclosure" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LumberMember" id="acef_LumberMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ManagementFeeExpense" id="acef_ManagementFeeExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MemberCapitalAccountUnitsOutstanding" id="acef_MemberCapitalAccountUnitsOutstanding" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MembersCapital" id="acef_MembersCapital" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MembersCapitalAccountRedemptions" id="acef_MembersCapitalAccountRedemptions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MembersCapitalAccountSubscriptions" id="acef_MembersCapitalAccountSubscriptions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetAssetValuePerUnit" id="acef_NetAssetValuePerUnit" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetAssetValuePerUnitBeginningOfPeriod" id="acef_NetAssetValuePerUnitBeginningOfPeriod" type="us-types:perUnitItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetAssetValuePerUnitEndOfPeriod" id="acef_NetAssetValuePerUnitEndOfPeriod" type="us-types:perUnitItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetAssetValuePerUnitIncreaseDecreaseForPeriod" id="acef_NetAssetValuePerUnitIncreaseDecreaseForPeriod" type="us-types:perUnitItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetGainsLossesOnTradingOfCommodityInterestsAbstract" id="acef_NetGainsLossesOnTradingOfCommodityInterestsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NetIncomeLossPerUnitPolicyTextBlock" id="acef_NetIncomeLossPerUnitPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NymexHhSwapMember" id="acef_NymexHhSwapMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OperatingExpensesAllocationToSpecialLimitedPartner" id="acef_OperatingExpensesAllocationToSpecialLimitedPartner" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionOtherMember" id="acef_OptionOtherMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionPurchasedEnergyMember" id="acef_OptionPurchasedEnergyMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionPurchasedGrainsMember" id="acef_OptionPurchasedGrainsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionPurchasedIndicesMember" id="acef_OptionPurchasedIndicesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionsPolicyTextBlock" id="acef_OptionsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionsPremiumReceivedAtFairValue" id="acef_OptionsPremiumReceivedAtFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionsPremiumReceivedMember" id="acef_OptionsPremiumReceivedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionsPurchasedAtFairValue" id="acef_OptionsPurchasedAtFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionsPurchasedMember" id="acef_OptionsPurchasedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OptionTypeAxis" id="acef_OptionTypeAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:dimensionItem"/>
  <element name="OptionTypeDomain" id="acef_OptionTypeDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OtherSwapContractMember" id="acef_OtherSwapContractMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PartnershipsInvestmentsPolicyTextBlock" id="acef_PartnershipsInvestmentsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PartnershipUnitPurchase" id="acef_PartnershipUnitPurchase" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PartnershipUnitPurchaseFairValue" id="acef_PartnershipUnitPurchaseFairValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PercentageOfMembersCapital" id="acef_PercentageOfMembersCapital" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PutOptionEnergyNymexLtCrudeOilMember" id="acef_PutOptionEnergyNymexLtCrudeOilMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PutOptionEnergyNymexNaturalGasMember" id="acef_PutOptionEnergyNymexNaturalGasMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PutOptionsPremiumReceivedMember" id="acef_PutOptionsPremiumReceivedMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RatiosToAverageNetAssetsAbstract" id="acef_RatiosToAverageNetAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RatiosToAverageNetAssetsAllocationToSpecialLimitedPartner" id="acef_RatiosToAverageNetAssetsAllocationToSpecialLimitedPartner" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RatiosToAverageNetAssetsNetInvestmentIncomeLoss" id="acef_RatiosToAverageNetAssetsNetInvestmentIncomeLoss" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RatiosToAverageNetAssetsNetInvestmentIncomeLossBeforeAllocationToSpecialLimitedPartner" id="acef_RatiosToAverageNetAssetsNetInvestmentIncomeLossBeforeAllocationToSpecialLimitedPartner" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RatioToAverageNetAssetsOperatingExpense" id="acef_RatioToAverageNetAssetsOperatingExpense" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RatioToAverageNetAssetsOperatingExpensesAllocationToSpecialLimitedPartner" id="acef_RatioToAverageNetAssetsOperatingExpensesAllocationToSpecialLimitedPartner" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RealizedAndUnrealizedGainsLossesPerUnit" id="acef_RealizedAndUnrealizedGainsLossesPerUnit" type="us-types:perUnitItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RedeemableUnitOfLimitedPartnershipInterest" id="acef_RedeemableUnitOfLimitedPartnershipInterest" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RedemptionsGeneralPartners" id="acef_RedemptionsGeneralPartners" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RedemptionsLimitedPartners" id="acef_RedemptionsLimitedPartners" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReturnAfterAllocationToSpecialLimitedPartner" id="acef_ReturnAfterAllocationToSpecialLimitedPartner" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReturnBeforeAllocationToSpecialLimitedPartner" id="acef_ReturnBeforeAllocationToSpecialLimitedPartner" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ReturnOnCapitalTransactionAbstract" id="acef_ReturnOnCapitalTransactionAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SoftsMember" id="acef_SoftsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StatementsOfIncomeAndExpensesAndChangesInMembersCapitalTableTextBlock" id="acef_StatementsOfIncomeAndExpensesAndChangesInMembersCapitalTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TradingActivitiesTextBlock" id="acef_TradingActivitiesTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
