The rotary engine is unique in its success and failure and its ability to make an impact with a completely different way of thinking. As it is, every production car for the last 130 years, aside from ...

Wankel engines first saw use in production cars as early as 1964 -- and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two-rotor ...

Toyan, a company that makes working miniature engines, has made what is claimed to be the world’s smallest rotary engine. Despite its tiny stature, the 0.0024-liter engine can still howl. Purchased by ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of ...

When it comes to rotary swaps, we’re most accustomed to seeing Mazda’s 13B Wankel engine dropped into cars for its compact size and great power output. However, Mazda isn’t the only company that built ...

Antonio is a chemical engineering student pursuing his master's degree in chemical engineering and sustainable processes. Throughout his academic journey, he has gained substantial knowledge in areas ...

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 ...

Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...

The rotary engine had its moment of automotive glory with Mazda, but while the Japanese automaker's rotary engines where small-displacement, high-revving, buzz bombs, one American startup tried a very ...