The rotary engine, a unique and unconventional design, has provided Mazda with remarkable advantages in the world of racing.

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

Modern fighter jets are extremely capable, except they run into some efficiency problems at extremely high speeds. China says ...

The rotary engine is unique in its success and failure and its ability to make an impact with a completely different way of thinking. As it is, every production car for the last 130 years, aside from ...

Mazda has been the only carmaker to manufacture Felix Wankel’s rotary engine design in volume, and the design went out of production when the RX-8 left the market in 2012. The2022 Mazda MX-30 hybrid ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark plugs. Here's why.

The rotary engine had its moment of automotive glory with Mazda, but while the Japanese automaker's rotary engines where small-displacement, high-revving, buzz bombs, one American startup tried a very ...

LiquidPiston's XTS-210 rotary engine is about the size of a basketball but could replace generator engines several times larger. A Connecticut-based company is on contract with the Army and Air Force ...

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. Mazda lodged patent applications for the aluminum frame of a new ...