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 engines, often criticized for the disturbing noise they are generating, are getting closer to reaching another important milestone in their evolution. Ford's new 6.7-liter Power Stroke diesel ...

What makes a diesel engine different to a regular gas engine, and is one better than the other?

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 ...