The rotary engine was an unconventional design that delivered great power for its size. Here's what's good and bad about it.

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 ...

The rotary is kind of like the Rudy (from the movie “Rudy”) of engines. It’s a little smaller than the others, and might not be quite as good, but you can’t help rooting for it. Mazda says that you ...

The electric motor might carry the hype banner at the moment, but some minds remain convinced that there's plenty of innovation left to be extracted from internal combustion. AIE is one of the rotary ...

The Wankel rotary engine is known for its troubled life in the mainstream automotive industry, its high power-to-weight ratio, and the intoxicating buzz it makes at full tilt. Popular with die-hard ...

A bold collaboration aimed to bring research to reality could rewrite the rulebook on sustainable energy. Advanced Innovative Engineering (AIE), the leader in high-performance rotary engines, is ...

Mazda’s revival of its iconic rotary engine as a battery-replenisher for a version of its electric car provides an alternative to pure EVs and plug-in hybrids but will eventually fall foul of an EU ...