VENTURA, Calif., May 10, 2012 /PRNewswire/ -- Clean Diesel Technologies, Inc.

EPA cost predictions were two to five times greater than the actual cost for truck buyers to comply with emissions mandates WASHINGTON, March 8, 2012 /PRNewswire-USNewswire/

LIBERTY HILL, Texas and PALM SPRINGS, Calif., Jan.

AUBURN HILLS, Mich., Jan.

A report by researchers at Columbia University's Mailman School of Public Health provides an expanded review of six new air quality regulations proposed or recently adopted by the U.S. Environmental Protection Agency's (EPA).