Ferrari patented a 2-stroke opposed-piston hydrogen combustion engine — a design used in diesel trucks and submarines, not ...

The 1964 Chrysler Turbine Car looked like it belonged in the future. Powered by a gas turbine engine instead of a ...

Free-piston engines represent a class of internal combustion machines distinguished by the absence of a crankshaft mechanism, enabling variable stroke length and compression ratio, with the piston’s ...

While there have been many unusual engine designs over the years, there haven't been many advancements involving the inner workings of the piston engine, except for higher-quality components, since ...

There's no need to sugarcoat what bad piston rings can do to your engine. Those rather thin cast-iron or steel rings may look small and irrelevant to untrained eyes, but they play a vital part in ...

Any oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely new combustion concept. "Not a four-stroke, not a two-stroke, a revolutionary ...

There are many differences between diesel and gas engines, including some less obvious aspects of engine construction, such ...

The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way. Honda pioneered oval piston technology in the 1970s for four-stroke racing ...

The rise to power of electrified powertrains had some believe, for a short while, that internal combustion engines (ICE) were done. To some extent, meaning the medium-term evolution of the automotive ...

Constantly low on oil, getting bad fumes, or is your engine not as peppy as it once was? Your car's engine may be experiencing the dreaded blow-by. The internal combustion engine is a ...