Industry
GM to close Michigan plant that made Cadillac batteries in summer 2027
General Motors will close its Brownstown battery assembly plant in Michigan in the summer of 2027 as electric vehicle demand slows and the automaker reshapes its production strategy. The facility has produced high-voltage batteries for the Cadillac Celestiq and components for the Chevrolet Corvette E-Ray. Headcount has fallen to fewer than 12. GM has also exited battery joint venture plans in Indiana and a Lansing project, and ended fuel-cell cooperation with Honda.