This video provides an in-depth analysis of the liquid piston engine and compares it to traditional piston engines and Wankel ...

These overlooked rotary-powered classics remain attainable today but may not stay affordable for much longer.

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...

At the moment, the name LiquidPiston may not mean all that much in this world, but chances are that will change very soon. That's because the Connecticut-based company has set out to effectively ...

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 ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

Rotary engines are already known for their high RPM; the smaller they get, the higher they tend to rev. So what happens when the world’s smallest rotary engine gets put to the test? Well, 30,000 RPM ...

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 ...

Looking at all the incredible machines roaming our roads these days you’d be inclined to believe it can’t get better than this when it comes to the combustion engines they use. But if you ask a crew ...

After what feels like countless news stories anticipating its return, the rotary engine is officially back as a backup generator for the new Mazda MX-30 e-Skyactiv R-EV. Whereas the regular MX-30 is a ...