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44Rotary engine development halted at Mazda?

At the end of 2011, the Mazda RX-8 rotary-powered sport coupe/sedan will cease to exist in new-car showrooms. With it, the mass-produced rotary engine will take another hiatus. The original plan was to have the Renesis, the world's only mass-produced rotary, come back maybe as early as 2017 in a new sports car. In fact, we just heard reports that Mazda's rotor-obsessed gearhead engineers were still manning the program, albeit at a reduced pace.

7Report: Mazda rotary reportedly at least a year behind schedule, but work continues

Renesis rotary engine in 2009 Mazda RX-8 – Click above for high-res image gallery

44Report: Mazda rotary reportedly at least a year behind schedule, but work continues

Renesis rotary engine in 2009 Mazda RX-8 – Click above for high-res image gallery

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

9Is the next Mazda Renesis rotary set to get direct-injection?

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

16Mazda 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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