GM said it may lose as many as 500 dealers in its home market this year, an increase from 350 last year, as the largest U.S. automaker works toward a goal of cutting 1,700 by 2012.

Mercedes-Benz's U.S. division paid a $28.9 million fine in December, 2008 --- the second largest such fine imposed --- for violating federal fuel efficiency requirements in the 2007 model year, the government said Jan 6. A total of six automakers were assessed $37 million in fines in 2008 for violating federal fuel efficiency requirements.

In declining a federal bailout, CEO Alan Mulally gambled that cash—and new models such as the Fusion Hybrid—can help Ford outlast its rivals

A new analysis by Consumer Reports magazine shows that two of Detroit's automakers -- Ford Motor Co. and General Motors Corp. -- are making "real progress" against foreign rivals while Chrysler LLC continues to lag behind the rest of the industry.