The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...

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, ...

You hear endless myths about the Mazda RX-7, from breathless praise of its “magic” to horror stories about blown apex seals.

Typically, when we think of the Wankel rotary engine as a whole, we first think of Mazda. Back in the early 1960s, Mazda was keenly interested in developing the rotary engine, specifically the Wankel ...

Mazda says the Iconic SP concept was designed to be turned into a production car. The two-door sports car is powered by an extended-range powertrain. A two-rotor Wankel gas engine acts as a generator ...

The new Vision X-Coupe Concept features a new range-extended Wankel rotary-powered drivetrain capable of capturing CO2 so that it can leave the air cleaner, “the more you drive.” Mazda revealed the ...

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, the ...