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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 DVV6+MywNPUKfmKYXP7+eJ263J/ql4urchU7GruIvO0Rqy54mzv1dLrlxUnGDeZ8
 3YV3PYzbcFMoZ4wozXVKUw==

<SEC-DOCUMENT>9999999995-11-000030.txt : 20110103
<SEC-HEADER>9999999995-11-000030.hdr.sgml : 20101231
<ACCEPTANCE-DATETIME>20110103001528
ACCESSION NUMBER:		9999999995-11-000030
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20101230
DATE AS OF CHANGE:		20110103
EFFECTIVENESS DATE:		20101230

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:	333-171431
		FILM NUMBER:		11500057

	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>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2010-12-30</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>13:00:00</finalEffectivenessDispTime>
        <form>S-1</form>
        <filer>
            <cik>0000949428</cik>
            <entityName>CLEAN DIESEL TECHNOLOGIES INC</entityName>
            <fileNumber>333-171431</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
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