Causes arstechnica.com Aftermarket truck mods pollute as much as 9 million extra pickups As automotive subcultures go, intentionally modifying your truck's diesel engine to make extra pollution is one of the more antisocial ones out there.
Causes www.standard.net $4.4 million in penalties possible against Diesel Brothers for Clean Air Act violations Penalties could be assessed against the Diesel Brothers reality TV stars for rigging diesel pickup trucks to foil pollution controls.
