CDTi to Present at 25th Annual Roth Conference

CDTi to Present at 25th Annual Roth Conference

VENTURA, Calif., March 4, 2013 (GLOBE NEWSWIRE) -- Clean Diesel Technologies,
Inc. (Nasdaq:CDTI) ("CDTi"), a cleantech emissions control company, announced
today that it will be a presenter at the 25^th Annual Roth Conference. The
presentation is scheduled for 8:00 a.m. PT on Monday, March 18, 2013 at The
Ritz-Carlton, Laguna Niguel in California. The slides for the presentation
will be made available on the Investor Relations section of CDTi's website:

About CDTi

CDTi is a vertically integrated global manufacturer and distributor of
emissions control systems and products, focused on the heavy duty diesel and
light duty vehicle markets. CDTi utilizes its proprietary patented Mixed Phase
Catalyst (MPC®) technology, as well as its ARIS® selective catalytic
reduction, Platinum Plus® fuel-borne catalyst, and other technologies to
provide high-value sustainable solutions to reduce emissions, increase energy
efficiency and lower the carbon intensity of on- and off-road engine
applications. CDTi is headquartered in Ventura, California and currently has
operations in the U.S., Canada, U.K., France, Japan and Sweden. For more
information, please visit

The CDTi logo is available at

CONTACT: Kristi Cushing, Investor Relations Manager
         Tel:  +1 (805) 639-9555

CDTi Logo
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