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        <EOY>2099566</EOY>
      </DeferredRevenue>
      <TotalLiabilities>
        <BOY>2340590</BOY>
        <EOY>2700738</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>1432190</BOY>
        <EOY>1871796</EOY>
      </UnrestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>1432190</BOY>
        <EOY>1871796</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>3772780</BOY>
        <EOY>4572534</EOY>
      </TotalLiabNetAssetsFundBalances>
      <ReconcilationRevenueExpenses>439606</ReconcilationRevenueExpenses>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>false</AccountantCompileOrReview>
      <FSAudited>true</FSAudited>
      <AuditCommittee>true</AuditCommittee>
      <FinancialStatementSeparate>X</FinancialStatementSeparate>
      <FederalGrantAuditRequired>false</FederalGrantAuditRequired>
    </IRS990>
    <IRS990ScheduleD documentId="990D" softwareId="10000149" softwareVersion="2010.2.15">
      <IncludedOnFS>false</IncludedOnFS>
      <TotalRevenue>3788479</TotalRevenue>
      <TotalExpenses>3348873</TotalExpenses>
      <ExcessOrDeficitForYear>439606</ExcessOrDeficitForYear>
      <ExcessOrDeficitPerFS>439606</ExcessOrDeficitPerFS>
      <TotRevenueEtcAuditedFinclStmt>3788479</TotRevenueEtcAuditedFinclStmt>
      <RevenueSubtotal>3788479</RevenueSubtotal>
      <TotalRevenuePerForm990>3788479</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>3348873</TotExpensesEtcAuditedFinclStmt>
      <ExpensesSubtotal>3348873</ExpensesSubtotal>
      <TotalExpensesPerForm990>3348873</TotalExpensesPerForm990>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="990F" softwareId="10000149" softwareVersion="2010.2.15">
      <AcctsActvsOutUSTable>
        <Region>North America</Region>
        <TypeOfActivitiesConducted>Program Services</TypeOfActivitiesConducted>
        <SpecificServicesProvided>Research and development</SpecificServicesProvided>
      </AcctsActvsOutUSTable>
    </IRS990ScheduleF>
    <IRS990ScheduleL documentId="990L" softwareId="10000149" softwareVersion="2010.2.15">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NameBusiness>
            <BusinessNameLine1>Gas Technology Institute</BusinessNameLine1>
          </NameBusiness>
        </NameOfInterestedPerson>
        <Relationship>Certain Common Officers</Relationship>
        <DescriptionOfTransaction>See Part V below.</DescriptionOfTransaction>
        <SharingOfRevenues>false</SharingOfRevenues>
      </Form990ScheduleLPartIV>
      <Form990ScheduleLPartV>
        <Identifier>IV</Identifier>
        <ReturnReference>1</ReturnReference>
        <Explanation>Business transactions involving interested persons d Description of transaction The interested person listed is exempt under 501c3 and as a result the entity does not meet the definition of an interested person. Since the entity did not meet the definition of an interested person, we entered 0 for the amount of transactions with this entity.</Explanation>
      </Form990ScheduleLPartV>
    </IRS990ScheduleL>
    <IRS990ScheduleO documentId="990O" softwareId="10000149" softwareVersion="2010.2.15">
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>3</ReturnReference>
        <Explanation>UTD used a management company and the technical project committee to perform management duties.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>6</ReturnReference>
        <Explanation>In accordance with the by-laws, a firm, association, or corporation which is a financial supporter of the corporation is eligible for membership in the corporation.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>7a</ReturnReference>
        <Explanation>In accordance with the by-laws, each member may elect a member to the board of directors.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>11b</ReturnReference>
        <Explanation>UTDs President reviews the Form 990 before a copy is sent to the directors.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>12c</ReturnReference>
        <Explanation>The organization annually requires each officer and director to sign a statement affirming such person has received a copy of the conflict of interest policy, has read and understands the policy, and has agreed to comply with the policy. The governing body or a board committee with board delegated powers considering the transaction determines whether a situation represents a conflict of interest. The person involved in the potential conflict of interest is not present for the discussion or vote regarding the determination of a conflict.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>Form 990 Part VI</Identifier>
        <ReturnReference>19</ReturnReference>
        <Explanation>No documents available to the public.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>Form 990 Part VI Section A Line 3 UTD used a management company and the technical project committee to perform management duties. Form 990 Part VI Section A Line 6 In accordance with the by-laws, a firm, association, or corporation which is a financial supporter of the corporation is eligible for membership in the corporation. Form 990 Part VI Section A Line 7a In accordance with the by-laws, each member may elect a member to the board of directors. Form 990 Part VI Section B Line 11b UTDs President reviews the Form 990 before a copy is sent to the directors. Form 990 Part VI Section B Line 12c The organization annually requires each officer and director to sign a statement affirming such person has received a copy of the conflict of interest policy, has read and understands the policy, and has agreed to comply with the policy. The governing body or a board committee with board delegated powers considering the transaction determines whether a situation represents a conflict of interest. The person involved in the potential conflict of interest is not present for the discussion or vote regarding the determination of a conflict. Form 990 Part VI Section C Line 19 No documents available to the public.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="990R" softwareId="10000149" softwareVersion="2010.2.15">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>Operations Technology Development NFP</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>1700 S Mount Prospect Road</AddressLine1>
          <City>DesPlaines</City>
          <State>IL</State>
          <ZIPCode>60018</ZIPCode>
        </AddressUS>
        <EIN>331061445</EIN>
        <PrimaryActivities>Research and Development</PrimaryActivities>
        <LegalDomicileState>IL</LegalDomicileState>
        <ExemptCodeSection>501c6</ExemptCodeSection>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>false</ControlledOrg>
      </Form990ScheduleRPartII>
      <ReceiptOfIntAnnRentsRoyalties>false</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>false</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>false</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>false</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>false</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>false</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>false</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>false</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>false</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>false</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>false</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>false</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>false</SharingOfFacilities>
      <SharingOfPaidEmployees>false</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>false</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>false</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>false</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>false</OtherTransferFromOtherOrg>
    </IRS990ScheduleR>
  </ReturnData>
</Return>