Clean Diesel Technologies, Inc. to Announce Second Quarter Fiscal Year 2012 Financial Results; Conference Call on August 9, 2012

VENTURA, Calif., July 31, 2012

To participate in the conference call, dial toll-free +1 (877) 303-9240 and use confirmation code 14738943. International participants should dial +1 (760) 666-3571 and use the same confirmation code.

The conference call will be webcast live on the Clean Diesel website at www.cdti.com under the "Investor Relations" section. To listen to the live webcast, participants should visit the site at least 15 minutes prior to the conference to download any required streaming media software. An archived recording of the conference call will be available on the Clean Diesel website for 30 days.

About Clean Diesel Technologies, Inc.

Clean Diesel 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. Clean Diesel 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. Clean Diesel 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 www.cdti.com.

SOURCE Clean Diesel Technologies, Inc.