The challenge isn’t building a fast rotary car. It’s building one that ordinary people can afford without sacrificing what ...

Watch the world's quickest rotary car demolish the quarter mile ...

The 1970s strangled horsepower with emissions rules, fuel shocks, and insurance pressure—yet a handful of clever performance cars slipped through. Here are 11 machines once dismissed as weird or weak, ...

Mazda's rotary engine may not have survived were it not for the actions of this rebellious group. This is how the Mazda RX-8 came to life.

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

Language is an imperfect medium, but it's what we've got, so let's go with it. Determining the swept volume of inventor Felix Wankel's rotary engine can generate more arguments than claiming what a GT ...

The revival, however, isn’t coming from Japan’s automotive veteran alone. In a move few anticipated, China’s Changan Group has developed its own rotary engine, signaling a potential shift in how the ...

The rotary engine has always been a fascinating piece of automotive engineering. Unlike traditional piston engines, the rotary engine operates with a triangular rotor that spins inside an oval chamber ...

The history of the motorcycle engine is long and storied, and ever-evolving. From extremely reliable motorcycle engines to the powerful Harley-Davidson crate engines, there are major bike engine types ...