Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram ...

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 ...

The CLS is not a sports car, but a luxury Mercedes model, available with air suspension and self-driving features. As such, it's also offered with some frugal diesel engines, which are among the most ...

The new Audi R18 TDI with which Audi targets its tenth victory in the famous 24 Hours of Le Mans on June 11/12 is ready today with "tomorrow’s" technology. During development of the new LMP1 sports ...

Diesel engines have long gotten a bad rap in the U.S., but that's a tired story. We all know it, some of us even believe it, but so far not much of the U.S. populace has been exposed to a proper ...