Episode 456 - Whitacre Leaves GM, Infiniti Performance Line, Ford Auctions Concepts For Charity

More news and analysis of CEO Ed Whitacre's decision to leave General Motors. Infiniti just announced its new in-house performance division called IPL, which is short for "Infiniti Performance Line." Ford auctioned off a number of its concept cars in order to raise money for charity. All that and more, plus a look at Transonic Combustion, a company that’s invented a new type of fuel injection system that can make a gasoline engine get the same kind of fuel economy as a diesel.