GM to Offer Clean Turbodiesel in Light Duty Pickup Trucks

This is a positive development for those of us who want the power of a diesel -- but don't need a heavy duty truck. General Motors plans to offer a new 4.5-liter Duramax turbodiesel engine in its light trucks built after 2009. GM says owners will see a 25-percent increase in gas mileage, and that the new turbodiesel will produce about 13-percent less carbon dioxide and 90-percent fewer NOx emissions than comparable gasoline engines.