New Car: 2012 Buick LaCrosse eAssist

It’s been a very short time since the revampedBuick LaCrosse debuted, but it has already seen plenty of changes, including a reordered engine lineup and major suspension upgrades. For its third model year, the LaCrosse’s base engine—a 2.4-liter four-cylinder—will get some help from an upgraded transmission and an electric motor. Combined with the car’s aero-enhancing tweaks, GM says the electric