And we have a winner!

Watch what happened when Larry David bum-rushed his wife's class on 'Stand In'--and gave away his hybrid car to one very surprised student. Plus--participate in the Virtual March on Washington and find out other ways you can help stop global warming!

Watch Larry Lose His Car mtvU's show Stand In surprises college classes by replacing their professor with celebrity instructors for the day. Watch Larry stop by to help a UCLA class "Curb Global Warming" -- and give away his car.