Talk of radically different designs always leads to a single name – Wankel. The Wankel rotary engine, most notably used in automobiles by Mazda, has been around since the late 1950’s.

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 ...

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.

Mazda used a two-rotor design engine with two turbochargers in its now legendary third-generation RX-7 sports car. We'll just ...

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.

The issue, as it has pretty much always been, is environmental. While the Wankel rotary engine does indeed make a lot of power in a small, lightweight package, it does so while burning lots of ...

If there's one thing forever associated with the Wankel rotary engine, it's Mazda. Powering production vehicles from the Cosmo's launch in May 1967 to the last RX-8 leaving the plant in June 2012 ...