The Hercules W2000 was the world's first production rotary motorcycle, beating Suzuki's RE5 to market in 1974 with a 294-cc ...

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

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

A patent reveals that Mazda isn't done with its rotary engine technology, but without a public announcement, everything is ...

Rotary engines made their biggest impact in Mazda sports cars, but a recent episode of "Jay Leno's Garage" delves into the rotary's earlier history. Before it was popularized by Mazda, the rotary ...

It’s been over a decade since Mazda showed off a hydrogen rotary engine, but the lessons in engineering linger to this day. When it comes to engines, the Wankel rotary is one of the lightest and ...