In this Monday, Jan. 28, 2013 file photo, cars move along an assembly line at the General Motors Fairfax plant in Kansas City, Kan. General Motors' net income fell 14 percent in the fir

 

              In this Monday, Jan. 28, 2013 file photo, cars move along an assembly line at the General Motors Fairfax plant in Kansas City, Kan. General Motors
In this Monday, Jan. 28, 2013 file photo, cars move along an assembly line at the General Motors Fairfax plant in Kansas City, Kan. General Motors' net income fell 14 percent in the first quarter, as it earned less money in North America while preparing to launch a redesigned version of its best-selling vehicle, the Silverado pickup. (AP Photo/Orlin Wagner, File)