The Wankel rotary engine was made popular by Mazda, who built rotary style engines from in production cars such as the RX-7, ...

Engine building competition - EricTheCar Guy, Scotty Kilmer, and Engineering Explained (among many other greats) have a ...

The internal combustion engine, for all its mechanical sophistication, still runs on a 19th-century mechanical idea: pistons rising and falling, a crankshaft spinning, a steam-age architecture ...