<b>2010 Audi A3 TDI</b>
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Photos: 2009 L.A. Auto Show -- Green Cars

2010 Audi A3 TDI

2010 Green Car of the Year

The A3 TDI (which stands for turbo direct injection) has an EPA highway fuel economy rating of 42 mpg -- a 50% improvement over the gasoline-powered A3.

The other finalists were the 2010 Honda Insight hybrid, Toyota Prius hybrid, Volkswagen Golf TDI and Mercury Milan hybrid, the only nominee from an American automaker.

-- Martin Zimmerman

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2010 Audi E-Tron Concept

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154-mile range; 313 horsepower; 3,319 torque

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Lexus LF-Ch Premium Compact Hybrid Concept

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Toyota Prius Plug-in Hybrid Concept

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62 mph on electric-only power; recharge in 3-4 hours; electric motor generates 50kW

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BMW Vision EfficientDynamics Concept

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Range: 431 miles; 62.6 mpg, with CO2 emissions 99g/km; 163 horsepower, peak torque of 214 lb-ft

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BMW ActiveHybrid 7

A twin-turbo V-8 twinned with a three-phase electric motor -- pioneered in the X6 -- push out a combined 455 horsepower, propelling the car to a mile a minute in 4.7 seconds, which again is magnified when seen through the tinted glass of the car’s exterior dynamics.

The ActiveHybrid 7’s 60-pound, 120-volt lithium-ion battery pack fits snugly under the trunk floor, but don’t expect to rack up many miles on its electric motor -- drivers can go a mere 1.5 miles at speeds of up to, er, 37 mph before petroleum power kicks in. Its curb weight is 221 pounds heavier than the standard gasoline model.

-- Craig Howie

Overview:
455 horsepower; 60-pound, 120-volt lithium-ion battery; up to 37 mph on electric power

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