The Wankel engine is the most famous rotary engine, but it isn't the only kind. While they aren't as common these days, they haven't fully gone away.

The engine saw its demise when the RX-8 was discontinued in 2012. Now, the über -interesting engine is back—though only as a range-extender for a new lineup of electric vehicles.

The Mazda MX-30 R-EV makes clever use of the rotary engine to complement the battery power in this hybrid model. The result is a nimble city car with a 53-mile electric range and a petrol tank for ...

The Wankel rotary engine found success in the automotive market. American automakers, including AMC, Ford, and General Motors, expressed interest in using Wankel engine designs.

Mazda has a dedicated rotary engine development group with engineers who worked on the RX-7 and RX-8. Fans have called for a RX-8 successor, itself a somewhat oddly laid-out (but rotary powered ...