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55REPORT: Mazda's next-generation rotary needs more work

2009 Mazda RX-8 - Click above for high-res image gallery

36Is the next Mazda Renesis rotary set to get direct-injection?

Mazda rotary engine patent diagrams - Click above for a high-res image gallery

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

Mazda rotary engine patent diagrams - Click above for a high-res image gallery

AddMazda to further refine Wankel rotary engine for more efficiency?

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 efficient, despite its relatively meager 1.3-liters of displacement. It seems the Japanese automaker is working hard to change that reputation with the next generation of the RX series.

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