A company called Changan has developed a new rotary engine, according to reports from CarNewsChina. It’s called the R05E, and ...

Discover how Mazda’s 13B-MSP Renesis evolved, its tech breakthroughs, and the issues that defined it, plus how it connects to today’s new single-rotor 8C engine.

The 1970s were full of strange automotive experiments, but few were as unlikely as a compact Japanese pickup powered by a ...

Designed and championed by self-taught engineer Felix Wankel, the rotary engine is now most closely associated with Japanese automaker Mazda. Many of the greatest Mazdas ever made, including the RX-7 ...

Over-the-top rotary builds are an enthusiast tradition. Because so few rotary cars have been made, the limits of the engine type haven't been fully exploited by automakers. It's been tuners who have ...

Just on the cusp of the 19 th century, the first ever rotary engine appeared from the budding automobile manufacturer, the Adams Company. The Adams-Farwell engine was both inspiringly inventive and a ...

Alina has been enthusiastic about vehicles her entire life, and even from an early age found herself itching to get behind the wheel. Through high school and college, she could be found reading ...

In a world dominated by pistons, the rotary engine was something different for motorists. It was the vision of German engineer Felix Wankel, built on the belief that the up-and-down motion of pistons ...

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. Mazda’s rotary engine has been officially reborn, but not quite in ...

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, ...

Forbes contributors publish independent expert analyses and insights. Peter Lyon is based in Tokyo and writes about the car industry. At the Japan Mobility Show two years ago, Mazda unveiled a ...

For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not powered ...