As the 2027 EPA mandate looms, OEMs are still proving that advanced diesel engines are the most efficient way to keep fleets ...

The automotive community has a love-hate relationship with diesel engines. Volkswagen's Dieselgate scandal left a bitter ...

Both Cummins and Ford offer 6.7-liter diesel engines. They share a few similarities, but those don't go much further than their displacements.

We may receive a commission on purchases made from links. Developed and patented by Rudolf Diesel, the diesel engine was designed to offer higher efficiency than the widely-used Otto gas engine, using ...

If you see a belching diesel engine spewing pollution into the air, savor the view — if not the smell. Those old, belching diesels are becoming a thing of the past and finding them on the road is — ...

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 ...

Cummins boasts a history that dates back over 100 years, including their diesel engines. The very first engine appeared way back in 1919, which just so happens to also be the same year that Clessie ...

Ah, the old diesel vs. gas debate. Each type of engine has its fans and supporters, with arguments supporting both. And there are all kinds of things to consider when trying to choose between the two, ...