GM Hints of Switch to Aluminum Bodies » GM Pontiac plant.jpg

GM invested nearly $800 million in three Michigan facilities, in part, to allow them to use more aluminum in production.

GM invested nearly $800 million in three Michigan facilities, in part, to allow them to use more aluminum in production.

Audrey Heller and Frank Jansen perform a quality check on the hood of a Chevrolet Sonic Thursday, April 30, 2015 at the General Motors Pontiac Metal Center where GM announced today it will invest $124 million as part of $5.4 billion in U.S plant improvements over the next three years, including $783.5 million for three Michigan facilities. All major body panel dies will be pre-tested in Pontiac under regular production conditions, enabling stamping plants to produce quality parts in shorter time. (Photo by John F. Martin for General Motors)


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