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A Flywheel-Equipped Race Car Leaves Us Whirring for More

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A Flywheel-Equipped Race Car Leaves Us Whirring for More

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Go to any major city worldwide and you're likely to see a Porsche 911 roll by. It's far more common than seeing one making the cornstalks blur in the middle of farm country, anyway. Porsche CEO Michael Macht disagrees that his sports cars frequent metro areas. "They're not driven in the city," Macht told the UK's Autocar when discussing hybrid 987s and 997s. Of course, city driving is where hybrid powertrains rack up fuel economy credits, which Macht acknowledges before dismissing by saying, "It

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No automaker is immune to global environmental pressures to reduce pollutants and limit carbon dioxide emissions. Even Porsche has gotten into the green game with both diesel and hybrid options for its Cayenne along with an expected hybrid powertrain for its Panamara range. Could that fuel-saving technology make a move closer to Porsche's sportscar roots? If so, would the battery pack go under the front hood in the rear-engined car?

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No automaker is immune to the global environmental pressure to reduce pollutants and limit carbon dioxide emissions. Even Porsche has gotten into the green game with both diesel and hybrid options for its current Cayenne – along with an expected hybrid for its Panamara range. Could that fuel-saving technology make a move closer to Porsche's sportscar roots? If so, would the battery pack go under the front hood or a rear-engined car?

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Various news outlets have speculated that Porsche's first-ever diesel engine would be installed in the Cayenne SUV for 2009, and now Porsche CEO Wendelin Wiedeking has confirmed it. As previously reported, the oil-burner will be snatched from the Audi parts bin and reportedly be essentially unchanged in Porsche guise. That means 240 horsepower and 406 lb.-ft. of torque, plenty to get the hefty Cayenne out of its own way. Instead of spending development money on a Porsche-specific diesel engine,

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AutoWeek apparently has it on good authority that Porsche has plans for a diesel engine not just for its Cayenne Sport Utility, but also for its upcoming sedan, the Panamera. The Panamera will assuredly be getting a gasoline engine, perhaps mirroring the Cayenne's V6 and V8 options, and will also be equipped with an optional hybrid drivetrain which will likely feature the direct-injected 3.6 liter V6 engine. Porsche had been hesitant to offer an oil-burner in its range of sportscars, but perhaps

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