Buick LaCrosse fans have enjoyed decades worth of quality GM technology and the latest in luxury driving. But now Brunswick, GA Buick lovers will get to try out the latest in assisted driving with the e-Assist system, available in upcoming 2012 LaCrosse models.

Developed in conjunction with General Motor's hybrid technologies, this 'light electrification' system will help boost fuel economy on even the most powerful engines, while simultaneously cutting emissions.

How exactly does e-Assist…