Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to prevent dumping excess emissions into the atmosphere. Not only are those ...

Welcome to the world of diesel-powered "smoker" pulling tractors, where too much of anything, especially turbo boost and wheel-speed, is never enough. These are among the most incredible vehicles in ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...