Choose a dry day, clear the floor, tackle rust and oil stains, then scrub and pressure wash with a mild cleaner to strip away ...

EPA demands DEF failure data from diesel makers. Investigation could force recalls and software fixes for engines already on U.S. roads. 30-day deadline set.

Even if you don't plan on ever owning a car with a diesel engine, you may still want to know how they compare to gas engines ...

Keeping the engine bay clean is not just a matter of cosmetic appeal; it is a significant aspect of vehicle maintenance ...