Buick Regal 2012, hybrid technology

The numbers are finally in for the gas-saving hybrid technology going into Buick's 2012 LaCrosse, and General Motors says it will result in a 25% fuel mileage boost.General Motors is offering its eAssist hybrid technology as an option on the 2012 Buick Regal sedan, improving its fuel economy by 25%, to 37 m.p.g. on the highway.A study by the department, released Tuesday, concludes that