PacifiCorp, Wyoming threaten suits over haze plan

Utility PacifiCorp and the State of Wyoming are each threatening legal action against EPA over the agency’s failure to approve or deny a Trump-era haze plan that relaxed air pollution control requirements at one of the company’s coal-fired power plants in the Cowboy State, after the Biden EPA indicated it will not approve the plan. In a notice of intent to sue letter sent to EPA Nov. 19, and recently uploaded to EPA’s website, PacifiCorp says it will sue in...