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        <Total>0</Total>
      </AllOtherExpenses>
      <TotalFunctionalExpenses>
        <Total>5088566</Total>
      </TotalFunctionalExpenses>
      <CashNonInterestBearing>
        <BOY>345182</BOY>
        <EOY>980729</EOY>
      </CashNonInterestBearing>
      <SavingsAndTempCashInvestments>
        <BOY>6500000</BOY>
        <EOY>4270000</EOY>
      </SavingsAndTempCashInvestments>
      <TotalAssets>
        <BOY>6845182</BOY>
        <EOY>5250729</EOY>
      </TotalAssets>
      <AccountsPayableAccruedExpenses>
        <BOY>626797</BOY>
        <EOY>710017</EOY>
      </AccountsPayableAccruedExpenses>
      <DeferredRevenue>
        <BOY>3551754</BOY>
        <EOY>2739380</EOY>
      </DeferredRevenue>
      <TotalLiabilities>
        <BOY>4178551</BOY>
        <EOY>3449397</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>2666631</BOY>
        <EOY>1801332</EOY>
      </UnrestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>2666631</BOY>
        <EOY>1801332</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>6845182</BOY>
        <EOY>5250729</EOY>
      </TotalLiabNetAssetsFundBalances>
      <ReconcilationRevenueExpenses>-865299</ReconcilationRevenueExpenses>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>false</AccountantCompileOrReview>
      <FSAudited>true</FSAudited>
      <FSAuditedBasis>
        <FinancialStatementSeparate>X</FinancialStatementSeparate>
      </FSAuditedBasis>
      <AuditCommittee>true</AuditCommittee>
      <FederalGrantAuditRequired>false</FederalGrantAuditRequired>
    </IRS990>
    <IRS990ScheduleD documentId="990D" softwareId="12000057" softwareVersion="12.19.1011.1">
      <IncludedOnFS>false</IncludedOnFS>
      <OtherSecurities>
        <Description>Financial derivatives and other financial products</Description>
      </OtherSecurities>
      <OtherSecurities>
        <Description>Closely-held equity interests</Description>
      </OtherSecurities>
      <OtherLiabilities>
        <Description>Federal income taxes</Description>
      </OtherLiabilities>
      <FootnoteInPartXIII>X</FootnoteInPartXIII>
      <TotRevenueEtcAuditedFinclStmt>4223267</TotRevenueEtcAuditedFinclStmt>
      <RevenueSubtotal>4223267</RevenueSubtotal>
      <TotalRevenuePerForm990>4223267</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>5088566</TotExpensesEtcAuditedFinclStmt>
      <ExpensesSubtotal>5088566</ExpensesSubtotal>
      <TotalExpensesPerForm990>5088566</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIII>
        <Identifier>X</Identifier>
        <ReturnReference>2</ReturnReference>
        <Explanation>Accounting principles generally accepted in the United States of America require management to evaluate tax positions taken by the Organization and recognize a tax liability, if the Organization has taken an uncertain position that more likely than not would not be sustained upon examination by the Internal Revenue Service or other applicable taxing authorities. Management has analyzed the tax positions taken by the Organization and has concluded that as of March 31, 2013 and 2012, there are no uncertain tax positions taken or expected to be taken that would require recognition of a liability or disclosure in the financial statements.</Explanation>
      </Form990ScheduleDPartXIII>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="990F" softwareId="12000057" softwareVersion="12.19.1011.1">
      <AcctsActvsOutUSTable>
        <Region>North America</Region>
        <TypeOfActivitiesConducted>Program Services</TypeOfActivitiesConducted>
        <SpecificServicesProvided>Research and development</SpecificServicesProvided>
        <TotalExpenditures>66500</TotalExpenditures>
      </AcctsActvsOutUSTable>
      <SubtotalAmountSpent>66500</SubtotalAmountSpent>
      <TotalAmountSpent>66500</TotalAmountSpent>
      <TransferToForeignCorp>false</TransferToForeignCorp>
      <InterestInForeignTrust>false</InterestInForeignTrust>
      <OwnForeignCorp>false</OwnForeignCorp>
      <PassiveForeignInvestCo>false</PassiveForeignInvestCo>
      <ForeignPartnership>false</ForeignPartnership>
      <BoycottCountries>false</BoycottCountries>
      <Form990ScheduleFPartV>
        <Identifier>I</Identifier>
        <ReturnReference>3</ReturnReference>
        <Explanation>Expenditures are reported on the accrual basis.</Explanation>
      </Form990ScheduleFPartV>
    </IRS990ScheduleF>
    <IRS990ScheduleL documentId="990L" softwareId="12000057" softwareVersion="12.19.1011.1">
      <Form990ScheduleLPartIV>
        <NameOfInterestedPerson>
          <NameBusiness>
            <BusinessNameLine1>Gas Technology Institute</BusinessNameLine1>
          </NameBusiness>
        </NameOfInterestedPerson>
        <Relationship>Certain common officers</Relationship>
        <DescriptionOfTransaction>GTI is 501c3 so entering 0</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="12000057" softwareVersion="12.19.1011.1">
      <GeneralExplanation>
        <Explanation>Form 990 Part VI Section A Line 3 UTD has delegated control over management duties customarily performed by officers to a management company, Gas Technology Institute, an unrelated 501c3 organization. The UTD Board and Technical Project Committee oversee the performance of the management company.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>Form 990 Part VI Section A Line 7a Although UTD does not meet the definition of a member organization for purposes of Part VI of Form 990, UTD bylaws state that A firm, association or corporation which is a financial supporter of the Corporation is eligible for membership in the Corporation. Each such person has the power to appoint one member of the governing body.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>Form 990 Part VI Section B Line 11b The President reviews a copy of the 990 before a copy is sent to directors.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>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 is not present for the discussion or vote regarding the determination of a conflict.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Explanation>Form 990 Part VI Section C Line 19 No documents available to the public.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="990R" softwareId="12000057" softwareVersion="12.19.1011.1">
      <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>
      <DividendsRelatedOrganization>false</DividendsRelatedOrganization>
      <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>