2012 Buick LaCrosse eAssist achieves up to 37 mpg highway

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