With Sohair Ahmadi, Kenneth Irvin, David Williams
Today, in a 2-1 decision, the U.S. Court of Appeals for the D.C. Circuit issued its decision vacating the Environmental Protection Agency’s (EPA) Cross-State Air Pollution Rule (CSAPR), which requires significant reductions in emissions from power plants in certain states that contributed to "downwind" ozone or fine particle pollution in other states.