The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

Rotary engines tend to conjure images of a few famous sports cars, yet a surprising number of coupes, sedans, concepts, and even workhorses quietly packed spinning triangles under their hoods. By ...

What does 1,350 pounds feel like flying down a steep, winding road with 400 horsepower from a turbo RX7 Mazda rotary engine? Curious how a rotary engine works or do you just love a rotary engine sound ...

Find out how emissions regulations killed Mazda's three-rotor 20B Wankel rotary engine, just as it was getting started in the ...