Three car making firm, General motors,Chrysler,and Fordo, previously dominated Michigan,supplying big,gas-guzzling American cars to an eager domestic and international market.

• 通用汽车，克莱斯勒，福特这三大汽车制造公司曾经在密歇根占主导地位，为国内外市场提供大型耗油的美国汽车。