Shreveport GM assembly and stamping plants to shut no later than June 2012General Motors Corp. will close its assembly and stamping plants in Shreveport, La., no later than June 2012, the company said Wednesday. Union: Shreveport GM plant to shut no later than June 2012General Motors Corp. plans to close its assembly and stamping plants in Shreveport, La., no later than June 2012, a union official said Wednesday. Union says General Motors plans to close Shreveport, La., truck plant no later than June 2012SHREVEPORT, La. — The General Motors Corp. assembly and stamping plants in Shreveport will close no later than June 2012. |