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

Cummins engines have earned a bit of a cult following over the decades — and for good reason. In the U.S., they're the iron workhorses found in everything from pickup trucks to massive semis, and they ...

Diesel-powered cars may be a dying breed in Europe, no thanks to the stricter emission standards, but Audi has nonetheless given its 2021 SQ5 Sportback a low-revving oil burner. Announced last month, ...

The Nano Bee, created by engineer Ronald Valentine, is a diesel engine smaller than a quarter but powerful enough to to spin a model-plane propeller.