Strange engine configurations that never reached production always makes for interesting reading. Here are our favorites.

Still, their distinctive sound and quirky construction earned them fans and enthusiasts worldwide — and no, we're not just talking about Mazda. Since the rotary engine's arrival, enthusiasts ...

2017 marks fifty years since Mazda produced ... to-rear balance as all rotary-engined cars. Mazda’s example also features a few tweaks, not least a later 12A engine from an RX-7, and an RX ...

A rotary may come, but it might not be what you're hoping for. Mazda debuted its rotary engine 50 years ago in the Cosmo Sport in part as a way to stand out from its larger Japanese competitors.

The rotary engine offers vibration-free operation, compact size, and high power output compared to traditional engines. Mazda did not invent the rotary engine but were instrumental in furthering ...

Mazda's Wankel rotary engine has always been unique in the automotive landscape as a mass-produced internal combustion engine that eschews such unsightly items as pistons, valves and camshafts.

The Wankel rotary engine, most notably used in automobiles by Mazda, has been around since the late 1950’s. The Wankel rotary is an example of a design which makes sense on paper. However ...

One thing Mazda never managed to solve however, was the problem with fuel consumption, and although the latest generation of Renesis rotary engines were far more efficient than its predecessors ...

On Sept. 14, the automaker unveiled its first rotary engine-mounted passenger car for the Japanese market in 11 years. The vehicle in question is the plug-in Mazda MX-30 Rotary-EV gas-electric ...

Mazda has been without one of its iconic rotary engines in its line-up since the RX-8 sports car was killed off in 2010. But now the Japanese firm is bring back the technology as part of a novel ...

Mostly. The rotary engine became part of the soul of Mazda, and if it can be a bit flawed in operation, at least it has true character. And this low-mileage 2011 RX-8 for sale on Bring a Trailer ...

But more tantalisingly for sportscar fans, Mazda insiders also hinted that rotary engine development isn’t strictly limited to range extender units, and that oil and fuel consumption gains could ...