You might find a smaller diesel engine in a lawnmower, but this is as small as it gets in a passenger vehicle.

From its humble beginnings to its legendary status, this diesel engine proved that RAM trucks were a force to be reckoned ...

Gasoline fuels most light-duty vehicles, such as passenger cars and pickup trucks. Heavy-duty vehicles, like buses, delivery trucks and long-haul tractor-trailers, typically run on diesel. Both fuel ...