NIkolay Shkolnik says LiquidPiston’s X Mini rotary engine can double fuel economy, eliminate noise and vibration and reduce the size of engines by 30% to 75%. Check out the video: a four pound X ...

Liquid Piston has taken its revolutionary engine out for a spin. The Connecticut-based startup has been developing a tiny new type of rotary engine for several years that’s so innovative it ...

The Rotary Pickup's larger fuel tank would come in handy since the mini-truck was only capable of about 10 MPG fuel economy, which was on par with full-size V8-powered American trucks at the time.

Mazda is bringing back the rotary engine for use as a range-extending generator in its MX-30 electric SUV, which can only go 100 miles between charges. Fox News Media Fox Business ...

At long last, the rotary engine is back. Over a decade after the RX-8 was cancelled, Mazda has announced an all-new rotary powerplant that's going into production. It's just not in an RX-8 ...

The first successful rotary engine is generally attributed to F.O. Farwell in 1896, and was built by the Adams Company of Dubuque, Iowa. A three cylinder version likely powered the first rubber-tired ...