Heed the advice on the cover of the Hitchhiker's Guide to the Galaxy and don't panic, at least not yet. Or, maybe just panic a little on the inside, but maintain your calm demeanor on the outside.

Diesel-powered trucks date back to 1923 when one of Karl Benz' early companies — Benz & Cie — installed a four-cylinder, 45-horsepower unit in a 5K3 truck chassis. It proved to be a winning ...

It was definitely a fuel-sipper, but if you don't have time to do something right, you better have time to do it twice.

While diesel engines have their benefits -- fuel economy, towing capacity, torque, and a reputation for ruggedness and longevity -- they aren't without their faults. The worst diesel engines can be so ...

The Chevrolet Silverado HD — and its corporate twin in the GMC Sierra HD — can be had with either a standard 6.6-liter gasoline V8, or the optional 6.6-liter Duramax turbo-diesel. Opting for the TD ...

Cummins engines have long been synonymous with diesel power, but for the first time in its 100-year history, the company has introduced a gasoline-powered engine. The B6.7 Octane is the company's ...

Ddiesel engines have their benefits, it's just that quick acceleration isn't one of them. They're limited in rpm compared to gas engines, due to factors like their higher compression ratios, and that ...

We've seen some bonkers engines in our day, and truth be told, this three-cylinder diesel isn't the strangest of the lot.