A US judge dismissed an antitrust lawsuit in which Michigan accused four major oil companies of colluding to forestall competition in renewable energy, including electric vehicles, a decision in line with prior rulings in similar cases ↧ US judge dismisses Michigan climate lawsuit against oil companies A US judge on Tuesday dismissed an antitrust lawsuit in which Michigan accused four major ​oil companies of colluding to forestall competition in ‌renewable energy, including electric vehicles, a decision in line with prior rulings in similar cases.