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.

Could there possibly be a rotary engine with 12 rotors? The answer is yes, and here’s everything we know about it including how much HP it could have.

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 ...

If Mazda is known for anything, it's its use of the venerable and unique Wankel rotary engine. The Japanese manufacturer ...

Mazda's Wankel rotary engine has always been unique in the automotive landscape as a mass-produced internal combustion engine that eschews such unsightly items as pistons, valves and camshafts.

While the Wankel rotary engine does indeed make a lot of power in a small, lightweight package, it does so while burning lots of fuel and emitting lots of noxious gases into the atmosphere, at ...

2017 marks fifty years since Mazda produced its first Wankel rotary-engined car. There is, sadly, no 2017 Mazda RX-anything to celebrate that fact, but thankfully the Hiroshima-based manufacturer ...

NSU unveiled the Ro 80 at the 1967 Frankfurt Motor Show, and Car Magazine praised its sleek design and named the vehicle its Car of the Year. Car’s editors noted that the Wankel engine’s ...