Last week, the United States Court of Appeals for the District of Columbia rejected an EPA rule known as the Cross-State Air Pollution Rule (CSAPR). The rule was supposed to have gone into effect at the beginning of 2012, but the same court had previously stayed its implementation on procedural grounds. Last week’s ruling is the first to address CSAPR on its merits.
CSAPR governed emissions of sulfur dioxide (SO2) from Midwestern
coal-fired power plants and other sources. SO2, along with oxides of
nitrogen (NOx) and others is a precursor of acid rain, which causes
widespread environmental damage not only in the states where the sources
are located, but also those downwind. >>>Read more