Stellantis supplier to invest $93M in expanding to former Macomb County EV plant – Crain’s Detroit Posted on September 15, 2026 By Malcolm Knoll No Comments on Stellantis supplier to invest $93M in expanding to former Macomb County EV plant – Crain’s Detroit Stellantis Supplier to Invest $93M in Expanding to Former Macomb County EV Plant Crain’s Detroit reports that a Stellantis supplier is planning to invest $93 million to expand operations to the former electric vehicle (EV) plant in Macomb County. Business