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    <submissionType>D</submissionType>

    <testOrLive>LIVE</testOrLive>

    <primaryIssuer>
        <cik>0001463258</cik>
        <entityName>Renewable Energy Group, Inc.</entityName>
        <issuerAddress>
            <street1>416 S. BELL AVENUE</street1>
            <city>AMES</city>
            <stateOrCountry>IA</stateOrCountry>
            <stateOrCountryDescription>IOWA</stateOrCountryDescription>
            <zipCode>50010</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>515-239-8000</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>REG Newco, Inc.</previousName>
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        <entityType>Corporation</entityType>
        <yearOfInc>
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            <value>2009</value>
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                <firstName>Jeffrey</firstName>
                <lastName>Stroburg</lastName>
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                <city>Ames</city>
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                <firstName>Paul</firstName>
                <lastName>Chatterton</lastName>
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                <lastName>Gieselman</lastName>
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                <lastName>Howard</lastName>
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                <lastName>Koch</lastName>
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            <relatedPersonName>
                <firstName>Michael</firstName>
                <lastName>Jackson</lastName>
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            <relatedPersonName>
                <firstName>Eric</firstName>
                <lastName>Hakmiller</lastName>
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            <relatedPersonName>
                <firstName>Ronald</firstName>
                <lastName>Mapes</lastName>
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            <relatedPersonName>
                <firstName>Don</firstName>
                <lastName>Huyser</lastName>
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                <street1>416 S. Bell Avenue</street1>
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                <stateOrCountry>IA</stateOrCountry>
                <stateOrCountryDescription>IOWA</stateOrCountryDescription>
                <zipCode>50010</zipCode>
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                <relationship>Director</relationship>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Daniel</firstName>
                <middleName>J</middleName>
                <lastName>Oh</lastName>
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            <relatedPersonAddress>
                <street1>416 S. Bell Avenue</street1>
                <city>Ames</city>
                <stateOrCountry>IA</stateOrCountry>
                <stateOrCountryDescription>IOWA</stateOrCountryDescription>
                <zipCode>50010</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Chad</firstName>
                <lastName>Stone</lastName>
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            <relatedPersonAddress>
                <street1>416 S. Bell Avenue</street1>
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                <stateOrCountry>IA</stateOrCountry>
                <stateOrCountryDescription>IOWA</stateOrCountryDescription>
                <zipCode>50010</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Natalie</firstName>
                <lastName>Lischer</lastName>
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                <street1>416 S. Bell Avenue</street1>
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                <stateOrCountryDescription>IOWA</stateOrCountryDescription>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Other Energy</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Over $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2010-09-21</value>
            </dateOfFirstSale>
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        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
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        <typesOfSecuritiesOffered>
            <isEquityType>true</isEquityType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
            <clarificationOfResponse>The issuer is issuing stock in connection with the purchase of assets and capital contribution.</clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>1</totalOfferingAmount>
            <totalAmountSold>1</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>The issuer is issuing stock in connection with the acquisition of assets and a capital contribution. There is no public market for issuer's stock, and none is expected to develop in the near future. No valuation has been performed on the stock or assets.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>1</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>280000</dollarAmount>
                <isEstimate>true</isEstimate>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse>Company to pay $280,000 and issue 129,267 restricted stock units in connection with the close of the transaction.</clarificationOfResponse>
        </salesCommissionsFindersFees>
        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
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            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Renewable Energy Group, Inc.</issuerName>
                <signatureName>Chad Stone</signatureName>
                <nameOfSigner>Chad Stone</nameOfSigner>
                <signatureTitle>CFO</signatureTitle>
                <signatureDate>2010-10-12</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>
