In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

Mazda's sports cars may be few and far between today, with the MX-5 Miata being the only roadster left for a fun track day. But it wasn't always that way. Powered by a Wankel rotary engine, all three ...