You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.

Professor Aniebiet Inyang Ntui is a multi-faceted individual whose expertise spans the worlds of library and information science, environmental advocacy, and – perhaps surprisingly – the automotive ...

Bruno started at Top Speed in 2022 and now serves as Senior Editor for ICE while also training writers across CarBuzz, HotCars, and TopSpeed. A car and motorcycle enthusiast, he enjoys writing about ...

Modern reciprocating engines are enabling reliable power generation while balancing renewable energy growth. Their rapid-response capabilities and multi-fuel flexibility are crucial to grid stability.

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. Mazda’s rotary engine has been officially reborn, but not quite in ...

BRUSSELS — Mazda's famed rotary engine is getting primed for electrification. The MX-30 e-Skyactiv R-EV plug-in hybrid, which debuted at the Brussels Motor Show last week, features a gasoline rotary ...

When people defend that internal combustion engines (ICEs) still have a role to play in personal transportation, they are correct. Having an electric motor driving the wheels does not necessarily ...

Designed and championed by self-taught engineer Felix Wankel, the rotary engine is now most closely associated with Japanese automaker Mazda. Many of the greatest Mazdas ever made, including the RX-7 ...

The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but there was another: the Wankel rotary engine. German engineer Felix Wankel ...

The rotary internal combustion engine made most famous by Japanese car maker Mazda is set to be reborn... in China.