Your gasaholic friends may not believe you, but feel free to tell them that diesels will soon be cleaner than current gasoline engines. It's not a trick-they'll have to be that clean if manufacturers ...

Sophisticated electronic controls and fuel systems improve combustion efficiency and substantially cut emissions. Sophisticated electronic controls and fuel systems improve combustion efficiency and ...

While carbon buildup happens on essentially all engines, gasoline, diesel, N/A, or boosted, it's an increased concern in GDI engines. Standard Electronic Fuel Injection features injectors higher in ...