From spinning rotary engines and their brutal side effects to the massive multi-row radials that powered bombers and fighters, this episode traces how engineers chased power through clever compromises ...

We look at why Mazda introduced the three-rotor 20B Wankel rotary engine, and why it only ever saw service in the Cosmo coupe of the late 1980s.

Mazda's famous rotary engine finally made its big return last year, but it wasn't under the hood of a replacement for the RX-8. In fact, it wasn't even in a performance car at all. Instead, it served ...