How many rotors are too many? While most Mazda engine builders and tuners wouldn’t dare to build an engine with more than four rotors, a company out of New Zealand has built a six-rotor engine for the ...

Almost as celebrated as the Toyota Supra, the Mazda RX-7 is one of Japan's most iconic sports cars. And perhaps the most legendary production car with a rotary engine. The RX-7 debuted in 1978 and ...

Every once in a while, a revolutionary new design or concept takes the automotive industry by storm. In the 2020s, it's been electric vehicles, but just a few decades earlier, the rotary engine was ...

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, ...

The Mazda RX-7 went through three generations as Mazda's premier performance sports car, consistently powered by Mazda's rotary engine. Debuting in 1978, it remained in the U.S. Mazda lineup through ...