This April 8, 2009 file photo shows the General Motors logo displayed at the New York International Auto Show in New York. General Motors on April 30, 2015 announced $5.4 billion in new US plant upgrades over the next three years, including in three sites in Michigan, the traditional hub of the US auto industry The biggest investment outlined is $520 million for a site near Lansing to build tools and equipment for GM's future vehicle programs.