GM Chief calls on Washington to support the diversification of U.S. energy suppl

Yes, he is happy that the price of oil has dropped below $52 a barrel, a 19- month low. But he also does not think it will last.

At an auto industry conference in the Detroit suburb of Dearborn, Wagoner called on the U.S. government to support diversifying the U.S. energy supply by using tax credits or fuel subsidies to promote development of ethanol, hydrogen fuel cells and advanced battery technology.