Goodbye rotary engines. Here is why many automakers have stopped using them in their cars, and also why rotary engines won't likely make a comeback ever.

Mazda's Rotary-Engine RX-7 Successor Almost Ready, But Next Miata's a Few Years Away Different sports cars, different powertrains, same enthusiastic spirit—and we can't wait.

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 ...

Summary Societe des Moteurs Le Rhone of Paris began manufacturing air cooled rotary engines in 1910. Its rotary was sufficiently different than that first developed by the highly successful Seguin ...