The once-almighty Mitsubishi Motors may have relegated themselves to building cheap small cars and Nissan-derived crossovers, but it was an indomitable powerhouse of innovation back in the day.

Turbochargers are relatively simple machines, but are subject to extreme temperatures and stresses. Here's how to make your ...

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 ...

New diesel engine emissions requirements are driving service, diagnostics and parts strategies before trucks reach fleet ...