After years of rumors and experimentation behind closed doors, the Mazda rotary engine is officially back. The Vision X-Coupe, a plug-in hybrid concept showcased at the 2025 Japan Mobility Show, has ...

The Van Veen OCR1000 was a rotary-powered engineering flex and one of the rarest motorcycles ever made. And now, it can be ...

Chinese firm Dongan Auto revives the Wankel engine, developing a lightweight prototype aimed at next-gen aerial mobility ...

Mazda’s MX-30 e-Skyactiv R-EV uses a single rotor, 830-cc rotary engine to generate electricity. The MX-30 e-Skyactiv R-EV is a series hybrid, which means the range-extender does not provide ...

How the 13B-MSP Renesis evolved from earlier Mazda rotary designs, technical features explained, and common problems and maintenance issues discussed. The 13B-MSP Renesis rotary engine powered the ...

Mazda on Friday used the 2023 Brussels auto show to present a modern vehicle fitted with a rotary engine. The engine, a compact single-rotor design displacing 0.83 liters, serves as a range extender ...

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 ...

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

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

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 ...