EX-21 5 d296278dex21.htm SUBSIDIARIES OF CLEAN DIESEL TECHNOLOGIES, INC. Subsidiaries of Clean Diesel Technologies, Inc.

Exhibit 21

SUBSIDIARIES OF REGISTRANT

Clean Diesel Technologies, Inc.’s subsidiaries as of December 31, 2011 are listed below.

 

Name of Subsidiary

    State/Jurisdiction  of
Incorporation		    Common
Equity
Ownership		  

Clean Diesel Technologies Limited

    United Kingdom      100 % 

Clean Diesel International, LLC

    Connecticut      100 % 

Catalytic Solutions, Inc.

    California      100 % 

CSI Aliso, Inc.

    California      100 % 

Catalytic Solutions Holdings, Inc.

    Delaware      100 % 

Catalytic Solutions Czechia s.r.o.

    Czech Republic      100 % 

ECS Holdings, Inc.

    Delaware      100 % 

Engine Control Systems Ltd.

    Nevada      100 % 

Engine Control Systems Limited

    New Brunswick      100 % 

Engine Control Systems Europe AB

    Sweden      100 %