Louisiana-based company Power Performance Enterprises Inc. (PPEI) and its President and owner, Kory B. Willis, pleaded guilty to criminal charges today in federal court in Sacramento, California. Both defendants pleaded guilty to conspiracy to violate the Clean Air Act and to violating the Clean Air Act by tampering with the monitoring devices of emissions control systems of diesel trucks. In addition to the criminal charges, the United States also filed a civil complaint against PPEI and Willis today in federal court in the Western District of Louisiana, alleging violations of the Clean Air A…
