The rotary engine hasn't found its way into new cars in over a decade. It has some fantastic pros, but its cons might be ...

For more than a decade the name Wankel has popped up whenever car enthusiasts start talking about advanced-design automotive powerplants. The theory of the Wankel engine goes back to 1954 when Dr.

Almost every internal combustion vehicle on the planet today uses the classic piston engine. These run by converting heat energy into reciprocating motion, and then rotary motion that ultimately ...

The traditional piston engine has garnered the vast majority of attention and application in the internal combustion age, but there was another: the Wankel rotary engine. German engineer Felix Wankel ...

Rotary engines come in all sorts of shapes and sizes. They can be as large as this six-rotor unit powering a Mazda RX-4 drag car in New Zealand, or as small as this 2.4-cc single-rotor engine above.

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

After what feels like countless news stories anticipating its return, the rotary engine is officially back as a backup generator for the new Mazda MX-30 e-Skyactiv R-EV. Whereas the regular MX-30 is a ...

At long last, the rotary engine is back. Over a decade after the RX-8 was cancelled, Mazda has announced an all-new rotary powerplant that's going into production. It's just not in an RX-8 successor, ...

After years of false hope, Mazda is finally building a mass production model with a rotary engine. That’s something that hasn’t occurred in over a decade as the RX-8 was discontinued in June of 2012.

For what seems like an eternity, Mazda has constantly teased its most ardent supporters with the possibility that it would resurrect its rotary engine that the automaker made famous in its cars and ...