• Big Three Auto Dealers Squeezed - Friday, August 29, 2008The credit crunch squeezing Detroit is Big Three auto makers is now spreading to some of their dealers, adding financial pressure to a group already strained by this year's big drop in auto sales.The latest and most prominent example is Bill Heard Enterprises Inc., one of the largest Chevrolet dealers in the country, with 2007 sales of $2.1 b