At the same time, the company expects fuel economy of 28 to 30 miles per gallon. To make that possible, the E7 will use a turbocharged diesel engine producing up to 300 horsepower and 420 foot-pounds of torque. While diesel fuel is more expensive than gasoline, at today's prices, diesel engines are much more fuel-efficient than gas engines.
The E7's top speed will be 155 mph, according to Carbon Motors.
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Last updated July 01 2008: 11:34 PM ET