It's important to keep in mind that the combustion process occurs in a very brief period of time. Due to a variety of conditions that include mixture density, homogeneity, temperature, fuel ...

Manufacturers are leaving no stone unturned in the quest to improve the efficiency of their internal combustion engines. Just this week, we've seen a fastidiously engineered diesel engine from Ford ...

You're probably familiar with the standard combustion process that powers most cars, but some engines use a more efficient cycle that dates back to the 1800s.

Real revolutions in engine technology are rare. By and large, the internal combustion engine has remained much the same for well over a century, with just general, incremental improvements in all ...

Mazda's Miller-cycle engine was a notable entry in the annals of automotive history, combining variable valve timing with a screw-type supercharger to maximize the brief compression cycle. The most ...

The Mazda CX-90 feels like a bona fide luxury SUV, but the company's current upmarket push isn't its first. At one time, Mazda was actually going to launch its own luxury sub-brand, and it would bring ...