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 Mazda RX-8's unique rotary engine and analog driving experience are attracting new enthusiasts. Prices start at $5,000 ...

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 ...

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, ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

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 ...

How does a rotary engine work? Wankel Engines. Explanation of how a rotary engine works. With only 3 moving components, these ...

There have only been a handful of rotary engine-powered cars, and most of them start with "Mazda." While fascinating and not without their benefits, rotary engines are pretty inefficient, don't make a ...