Talk of radically different designs always leads to a single name – Wankel ... This engine is the basis of the modern “Wankel” rotary engine. Piston powered engines, chiefly the Otto ...

Mazda usually gets credit for being the first brand to use the Wankel rotary engine. This defunct German automaker begs to ...

To clear things up, Mazda never pioneered the Wankel rotary engine ... as opposed to a single one per piston/cylinder ...