The rotary engine, a unique and unconventional design, has provided Mazda with remarkable advantages in the world of racing.

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 ...

Perfectly tuning the heat range of an engine's spark plugs is something of a dark art to all but the most well versed tuners and the engineering egg heads at automotive OEMs. Getting the spark plug ...

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

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

Aurel has aimed high all his life (literally, at 16 he was flying gliders all by himself) so in 2006 he switched careers and ...

The Wankel rotary engine is known for its troubled life in the mainstream automotive industry, its high power-to-weight ratio, and the intoxicating buzz it makes at full tilt. Popular with die-hard ...

Click to open image viewer. The first successful rotary engine is generally attributed to the American F.O. Farwell in 1896; but the French Gnome, developed by the Seguin brothers, was much more ...

Does anyone else think the Mazda RX-8 used to be the coolest thing on the road. It didn’t matter that it wasn’t that fast. Nor that its rotary engine burns oil like Snoop burns “za,” and slurps gas ...

While modern engines feature many tweaks and improvements on the original ideas, they usually aren't as interesting as the strange contraptions engineers experimented with in the early days. Take, for ...