Mazda’s 13B rotary engine did more than power a string of sports cars. It forced an entire engineering department to think differently about combustion, packaging, and character, and it left a mark on ...

In the late 1960s, when most sedans still looked and drove like rolling conservatism, NSU put a radical four-door on the road ...

The funding round is tied to the U.S. Army’s selection of LiquidPiston for the Small Business Innovation Research CATALYST ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...