Learn about the incredible Chevrolet V8 that revs like a superbike and powers one of Chevy's greatest sports cars.

It’s one thing to hear your engine roar when you hit the gas, but if your car keeps revving on its own, even while idling or in park, something’s wrong. That high-pitched hum or surging RPM gauge ...

Normally, we associate diesel engines with low revs and high compression ratios, making them ideal for situations where you want more torque horsepower — and yes, there are a lot of differences ...

Gearheads of all stripes love a revving engine. Of course, it can go too far. The needle sweeping around the face of the tachometer is more than just a decibel meter. That number indicates some ...

Luxurious, fast, aggressively designed, and potent on the road and the track, German automakers have built themselves a reputation over the last few decades as the go-to for stylish and fun thrills.

Discover the engineering marvel behind Mazda's Skyactiv-D 2.2 diesel engine, and what lies ahead for diesel fuel. Mazda unveiled the second-generation CX-5 in 2016 and promised buyers they would soon ...