FILE - In this Nov. 30, 2010 file photo, a line worker checks vehicles at the General Motors Hamtramck assembly plant in Hamtramck, Mich. General Motors said Wednesday, May 25, 2011, it is adding two ... more 
FILE - In this Nov. 30, 2010 file photo, a line worker checks vehicles at the General Motors Hamtramck assembly plant in Hamtramck, Mich. General Motors said Wednesday, May 25, 2011, it is adding two shifts and about 2,500 hourly and salaried jobs at the Detroit-Hamtramck assembly plant to build the new Chevrolet Malibu mid-size sedan and the next-generation Impala large sedan alongside the Chevrolet Volt and Opel Ampera electric cars. less 
1 / 1
Associated Press | Photo By Paul Sancya, file
Wed, May 25, 2011 8:49 AM EDT