I’ll explain how it works, what’s cool/weird about it, pros and cons, and if it might ever make it to production. So yeah, it ...

The Rotary Engine's Nazi Inventor The history of the rotary engine is a strange and wonderful tale that dates back as far as 1588 when Ramelli invented the first rotary-piston-type water pump ...

I have already written about LiquidPiston and its XTS-210, but Avadi's idea is even more striking: it is a reciprocating engine that works as a rotary. Imagine an ICE with a single piston.

Mazda confirms the Iconic SP sports coupe is on its way to production, reviving the rotary engine in a striking, futuristic form.

All-new type of gas engine offers incredible power-to-weight U.S. firm Avadi – using a Quebec inventor's design – has developed a sort of "rotary piston" ICE that could revolutionize small engines ...

The engine is a small capacity 250cc prototype, and unlike a conventional (if you can call them that) rotary engine, this unit features conrods. It’s only a single-cylinder design, although the ...

Unlike a Wankel rotary engine, the Avadi eliminates the traditional crankshaft entirely, as the cylinder and piston rotate within the case during its stroke.