A federal appeals court has rejected the Environmental Protection Agency’s attempt to abandon a Biden-era rule that sets tough standards for deadly soot pollution.

A federal appeals court has rejected the Environmental Protection Agency’s attempt to abandon a Biden-era rule that sets tough standards for deadly soot pollution.

Today, the U.S. Court of Appeals for the D.C. Circuit upheld the national, health-based limit on fine particulate matter (PM2.5), also known as soot, that the Environmental…