The IIHS just found a new way to destroy cars. The organization recently developed a test to simulate crashing into a tree, with numerous models failing with flying colors. BMW is allowing its dealers to reprogram its Stop-Start system so owners will not have to disable it each time the car is started. John talks with Candace Wheeler, a Technical Fellow at GM R and D about alternative fuels that are less alternative and more fuel. All that and more, plus a look at Chrysler's quality testing.