Through the history of internal combustion engines, there has been plenty of evolution, but few revolutions. Talk of radically different designs always leads to a single name – Wankel.

Since it looks like Mazda may very well revive the Wankel rotary engine as a range extender for electric cars, there's no better time to become reacquainted with the quirky internal-combustion engine.

Although there was briefly a company called Rotary Rocket, the term is much better known as a nickname for the Mazda RX-7 — one of the few cars that used a Wankel, or rotary, engine. If you ever ...

Hydrogen as a “clean” energy source attracts billions of dollars in public and private funding every year. The U.S.

C urious about the performance engines that every car enthusiast should know off the top of their head? There are so many ...

The story of rotary power really begins in 1924, when a doctor by the now familiar name of Felix Wankel looked to launch his ...

Mazda is renowned for its rotary engine in its RX sports cars, but the last evolution of another special rotary coupe can now ...