Elon Musk Says on Twitter That His Factories Will Make Ventilators if Coronavirus Causes a Shortage Posted byRosie Perper March 19, 2020 Leave a comment on Elon Musk Says on Twitter That His Factories Will Make Ventilators if Coronavirus Causes a Shortage Musk said the tech components produced at his Tesla and SpaceX factories were “sophisticated” and ventilators were “not difficult” in comparison.