Home Business Detroit automakers shutter U.S. plants in move to stop coronavirus spread Business Detroit automakers shutter U.S. plants in move to stop coronavirus spread By Genpie - March 18, 2020 122 0 Facebook Twitter Google+ Pinterest WhatsApp The Detroit Three automakers will shut down their U.S. plants to stop the spread of coronavirus, bowing to pressure from the union representing about 150,000 hourly workers at those facilities, industry officials said.