Photo Release -- CDTi Awarded Environmental Sustainability Award

VENTURA, Calif., Sept. 18, 2012 (GLOBE NEWSWIRE) -- Clean Diesel Technologies, Inc. (Nasdaq:CDTI) ("CDTi"), a cleantech emissions control company, announced that it has been awarded the Environmental Sustainability Award by California State Senator, Fran Pavley (D-Agoura Hills).
Acceptance Award
CDTi accepts the Environmental Sustainability Award at its Catalyst division located in Oxnard, California. Pictured are R. Craig Breese, CEO (center), Christopher Harris, COO (right) and Larijon Morla, Production Operator (left).

A photo accompanying this release is available at

CDTi was presented with the award for its contributions toward building a clean energy economy with its advances in reducing vehicle emissions through its innovative systems and products.

"Each month I recognize a business, person or organization in my district dedicated to preserving our environment by living and working responsibly," said Senator Pavley. "This month I am proud to present the September Sustainability Award to CDTi, who has been a major leader in the worldwide deployment of technologies which reduce overall emissions from diesel, gasoline, natural gas and biofuel applications. Additionally, CDTi is recognized for their innovations in emissions control technology. I am honored to present this award to CDTI, a global, innovative Ventura County company," added Senator Pavley.

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

The photo is also available at Newscom, , and via AP PhotoExpress.
CONTACT: Kristi Cushing, Investor Relations Manager         Tel:  +1 (805) 639-9555

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