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 ...

Idled for 11 years, Mazda Motor Corp.'s famed rotary engine is set to roar back to life this spring, this time helping to power a plug-in hybrid vehicle. The rotary engine, which Mazda was the first ...

During an October 28 private showing at this year's Tokyo Motor Show, Mazda Motor showcased the company's RX-Vision concept car. The two-door sports model is powered by Mazda's rotary engine, for ...

Mazda made a splash in the market in 1990, launching the Eunos Cosmo with the three-rotor 20B engine. Compared with contemporary Wankel rotary engines, the 20B's extra rotor beefed the compact ...