Ford’s 2026 catalog may be filling up with hybrids and battery packs, but diesel power still anchors some of the brand’s hardest working vehicles. From three-quarter-ton pickups to medium-duty ...

A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand how ...

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 ...