Mazda’s electric car gets patents for rotary range-extender engine

Mazda Demio EV test-fleet electric car in Japan (aka Mazda2)Recent patent filings suggest Mazda’s next Wankel engine will equip a battery-powered car, not a rear-wheel drive heir to emblematic sports coupes like its RX-7 and RX-8. Mazda has invested more time and money into the rotary engine than any other automaker, so executives are reluctant to let it fade away into history. While the RX-8 has...