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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 w1WuYIo5T+6HlAVka3TD7g==

<SEC-DOCUMENT>9999999995-10-003693.txt : 20101227
<SEC-HEADER>9999999995-10-003693.hdr.sgml : 20101224
<ACCEPTANCE-DATETIME>20101227001521
ACCESSION NUMBER:		9999999995-10-003693
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20101223
DATE AS OF CHANGE:		20101227
EFFECTIVENESS DATE:		20101223

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CLEAN DIESEL TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0000949428
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INORGANIC CHEMICALS [2810]
		IRS NUMBER:				061393453
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-166865
		FILM NUMBER:		101273412

	BUSINESS ADDRESS:	
		STREET 1:		4567 TELEPHONE ROAD
		STREET 2:		SUITE 206
		CITY:			VENTURA
		STATE:			CA
		ZIP:			93003
		BUSINESS PHONE:		805 639 9458

	MAIL ADDRESS:	
		STREET 1:		4567 TELEPHONE ROAD
		STREET 2:		SUITE 206
		CITY:			VENTURA
		STATE:			CA
		ZIP:			93003
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2010-12-23</finalEffectivenessDispDate>
        <accessionNumber>0000950123-10-103895</accessionNumber>
        <submissionType>POS AM</submissionType>
        <filer>
            <cik>0000949428</cik>
            <entityName>CLEAN DIESEL TECHNOLOGIES INC</entityName>
            <fileNumber>333-166865</fileNumber>
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