In the late 1960s, a Japanese automaker took a bold leap with an unconventional engine that defied traditional design.

From the rally winners of the 1980s to the blisteringly quick performance cars of today, Audi Sport has the kind of fast car ...

And most of them are for sale, along with thousands of parts and components ... alongside which was an original four-rotor Wankel rotary engine. Also on the stand was a 1971 short-wheelbase 600 sedan ...

And most of them are for sale, along with thousands of parts and components ... alongside which was an original four-rotor Wankel rotary engine. Also on the stand was a 1971 short-wheelbase ...

Remember rotary engines? The Felix Wankel-developed (stop tittering at the back ... a design that does the same suck-squeeze-bang-blow sequence using purely rotating parts is, frankly, genius. Sadly ...

If you do the work yourself, the parts bill usually comes to somewhere between $500 ... you can see that it has the same kind of elongated inner chamber that a Wankel engine has, and vanes that are ...

If there's one thing forever associated with the Wankel rotary engine, it's Mazda. Powering production vehicles from the Cosmo's launch in May 1967 to the last RX-8 leaving the plant in June 2012 ...

Wankel engines first saw use in production cars as early as 1964 — and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two ...

Automaker Stellantis is investing 38 million euros ($41 million) in its Verrone plant in Northern Italy to manufacture parts ...

Chinese-controlled, Swiss marine power company WinGD has firmed up the performance and emissions data for its new X-DF-A ...

Technology group Wärtsilä has been selected to supply replacement engines for two inland waterway tug pusher vessels ...