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Is the next Mazda Renesis rotary set to get direct-injection?

Last October, it seems that Mazda quietly filed a patent for a twin-spark, direct injection version of the automaker's iconic rotary engine. It's taken this long for anyone to actually notice application 20090101103, which appears to have been approved just last month, but it's still an interesting development in the ongoing saga of the engine design. First developed and patented by German engineer Felix Wankel way back in the early 1950s, the rotary engine has always been able to make lots of power relative to its small size, but it's ... Read more →

Mazda to further refine Wankel rotary engine for more efficiency? Jeremy Korzeniewski

Is the next Mazda Renesis rotary set to get direct-injection? 7 months ago on Autoblog Green

Mazda to further refine Wankel rotary engine for more efficiency? 10 months ago on Autoblog Green

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 packs lots of power into a very small package, but one thing it's never been is fuel ...

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CAFE – Corporate Average Fuel Economy. A system used in the U.S. to define mileage requirements of new vehicles.

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