-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001019687-06-000936.txt : 20060421
<SEC-HEADER>0001019687-06-000936.hdr.sgml : 20060421
<ACCEPTANCE-DATETIME>20060421160758
ACCESSION NUMBER:		0001019687-06-000936
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060419
FILED AS OF DATE:		20060421
DATE AS OF CHANGE:		20060421

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Pacific Ethanol, Inc.
		CENTRAL INDEX KEY:			0000778164
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		IRS NUMBER:				412170618
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5711 N. WEST AVENUE
		CITY:			FRESNO
		STATE:			CA
		ZIP:			93711
		BUSINESS PHONE:		559-435-1771

	MAIL ADDRESS:	
		STREET 1:		5711 N. WEST AVENUE
		CITY:			FRESNO
		STATE:			CA
		ZIP:			93711

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACCESSITY CORP
		DATE OF NAME CHANGE:	20030627

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DRIVERSSHIELD COM CORP
		DATE OF NAME CHANGE:	20001115

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST PRIORITY GROUP INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Langley William G
		CENTRAL INDEX KEY:			0001323999

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21467
		FILM NUMBER:		06772801

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		503-970-6445

	MAIL ADDRESS:	
		STREET 1:		3836 S.W. MT. ADAMS DRIVE
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97239
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-04-19</periodOfReport>

    <issuer>
        <issuerCik>0000778164</issuerCik>
        <issuerName>Pacific Ethanol, Inc.</issuerName>
        <issuerTradingSymbol>PEIX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001323999</rptOwnerCik>
            <rptOwnerName>Langley William G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>5711 N. WEST AVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FRESNO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>93711</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                <value>Common Stock</value>
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                <transactionCode>M</transactionCode>
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            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            </transactionAmounts>
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        </nonDerivativeTransaction>
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                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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        </nonDerivativeTransaction>
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    <derivativeTable>
        <derivativeTransaction>
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                <value>Common Stock Purchase Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>8.03</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-04-19</value>
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                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-08-10</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-08-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>375000</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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                <natureOfOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
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            <conversionOrExercisePrice>
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            <transactionDate>
                <value>2006-04-20</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
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                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>340000</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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                <natureOfOwnership>
                    <value></value>
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            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option vested immediately as to 85,000 shares and vests as to an additional 85,000 shares on each of the first, second, third and fourth anniversaries of the date of grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/  William G. Langley</signatureName>
        <signatureDate>2006-04-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----