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2012 Buick LaCrosse eAssist achieves up to 37 mpg highway

by Steven J. Ewing (RSS feed) on Nov 15th, 2010 at 3:00AM

Think of this as a Buick LaCrosse Hybrid. General Motors' new eAssist technology employs a 115-volt lithium-ion battery and 15-kilowatt electric motor to increase fuel economy by 25 percent compared to today's four-cylinder LaCrosse. This means the Buick sedan will achieve an estimated 25/37 miles per gallon (city/highway). During initial acceleration, the electric motor delivers 15 horsepower and 79 pound-feet of torque to get the LaCrosse moving. A torque-smoothing function is activated as the gasoline engine is turned on, and the eAssist system kicks back on during deceleration, using... Read More

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