In this July 27, 2011 photo, assembly line worker Edward Houie moves a door into position for a Chevrolet Volt at the General Motors Hamtramck Assembly plant in Hamtramck, Mich. Factory orders rose in... more 
In this July 27, 2011 photo, assembly line worker Edward Houie moves a door into position for a Chevrolet Volt at the General Motors Hamtramck Assembly plant in Hamtramck, Mich. Factory orders rose in July, helped by increased demand for autos and commercial aircraft Wednesday, Aug. 31, 2011. (AP Photo/Paul Sancya) less 
1 / 1
Associated Press | Photo By Paul Sancya
Wed, Aug 31, 2011 10:07 AM EDT