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Mazda's rotary engine stalled, not forgotten

Development of the next-generation rotary engine from Mazda Motor Corp., first unveiled three years ago, is making slow progress despite missing emissions targets. A top Mazda powertrain executive said today that the 1.6-liter rotary engine, called the 16X, is about 30 percent more fuel-efficient than the current rotary engine used in the RX-8 sporty car. In fact, the 16X so far performs slightly better than Mazda's standard two-liter gasoline engine, said Mitsuo Hitomi, general manager of the Japanese carmaker's powertrain division.

McLaren MP4-12C: The build begins +video

First McLaren MP4-12C being built You could be forgiven for thinking that McLaren had already started building their Ferrari 458 challenging car – the McLaren MP4-12C. After all, it’s been turning up all over the place for at least a year, and we even had a good view of the Volcano Orange MP4-12C from Goodwood as it passed us en-route to strut its stuff up the Goodwood Hillclimb last year. But the cars we’ve seen so far – even the Volcano Orange MP4-12C from Goodwood – were prototypes; McLaren’s running test beds for tweaking and refining the MP4-12C before the first cars reach customers this year.

Los Angeles Motor Show: Porsche reveals new Panamera flagship

THE SCINTILLATING Panamera Turbo S has been launched at twin events at the Tokyo and Los Angeles motor shows. The new flagship at the top of the firm’s grand tourer line-up packs a 562bhp punch from a twin-turbocharged V8 engine mounted at the front, with drive transmitted to all four wheels via a sophisticated drive system that can shift torque to whichever wheels can best use it. Displaying true supercar pace, the Turbo S can catapult to 62mph in just 3.8 seconds on the way to a top speed of 192mph.