When considering rotary engines, the Wankel engine often comes to mind due to its high power-to-weight ratio, though it ...

The electric motor might carry the hype banner at the moment, but some minds remain convinced that there's plenty of innovation left to be extracted from internal combustion. AIE is one of the rotary ...

LiquidPiston is testing a 10-kW generator it's prototyped for the US military, which it claims is just a quarter of the size and weight of the current model the Army uses. That means it'll be far ...

The Mazda Iconic SP concept of the 2023 Japan Mobility Show was the sign of a new Mazda sports car that we’ve been awaiting for a decade—no, two. The Wankel rotary-powered, popup headlight-equipped ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...