Part two of the Quest for Power series breaks down rotary and radial engines, why circular layouts solved cooling and reliability, and why they also came with nasty tradeoffs. From WWI rotaries to ...

The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.

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 ...

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 ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

Drag racing might not be as big in Australia as it is in the United States, but the folks Down Under run some pretty cool events and build some of the hottest dragsters out there. And it's the place ...