Money GM signs $490M contract under Defense Production Act to build ventilators to fight coronavirus pandemic April 8, 2020April 8, 2020Phoebe Wall Howard and Nathan Bomey, Detroit Free PressComments Off on GM signs $490M contract under Defense Production Act to build ventilators to fight coronavirus pandemic General Motors has been awarded a U.S. government contract worth nearly $490 million to build ventilators amid the coronavirus crisis.