The suit comes as the industry and its political allies escalate efforts to shut down liability laws and lawsuits. Republicans in Congress are currently crafting legislation to shield fossil fuel companies from climate liability.By Dana DrugmandMichigan is taking on major oil and gas companies in court, joining nearly a dozen other states that have brought climate-related lawsuits against ExxonMobil and its industry peers. But Michigan’s approach is different: accusing Big Oil not of deceiving consumers or misrepresenting climate change risks, but of driving up energy costs by colluding to suppress competition from cleaner and cheaper technologies like solar power and electric vehicles.Â