On July 28, the U.S. Court of Appeals for the D.C. Circuit ordered the U.S. Environmental Protection Agency (EPA) to revise emissions budgets for several states under the agency’s Cross-State Air Pollution Rule (CSAPR or the...more
The D.C. Circuit, by majority decision, upheld MATS, which requires coal- and oil-fired power plants to reduce emissions of mercury, arsenic, chromium, and other air pollutants. When the EPA adopted MATS in 2011, it did not...more