Suncor Energy Inc. (SU) is facing a significant legal challenge as environmental groups filed a notice to sue the company under the U.S. Clean Air Act. The lawsuit, initiated by Earthjustice, a non-profit environmental law organization, accused Suncor of more than 1,000 air pollution violations at its Commerce City, CO, refinery. This legal action aims to hold Suncor accountable for its repeated offenses and seek civil penalties to prevent future violations.Background of Suncor’s ViolationsSuncor, based in ...