The rotary engine has been absent on the frontline for quite some time, and it's on the way back. But not with Mazda.
The Autopian on MSN
The most complicated new engine has three cylinders, a rotating block, a stationary head, and is shaped like a circle
Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...
Internal combustion engine development is far from stagnant these days, in spite of the advances in electric powertrains in recent decades—and this patent from Porsche concerning a W-style cylinder ...
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