COLMA, CA - OCTOBER 02:  A worker at a Ford dealership walks across the sales lot in front of a row of brand new Ford Mustangs October 2, 2007 in Colma, California. Ford reported today a 21 percent decline in September sales citing weak sales to rental car agencies as one of the main factors in the loss. Getty Images logo Getty Images 34 months ago

COLMA, CA - OCTOBER 02: A worker at a Ford dealership walks across the sales lot in front of a row of brand new Ford Mustangs October 2, 2007 in Colma, California. Ford reported today a 21 percent decline in September sales citing weak sales to rental car agencies as one of the main factors in the loss.