September 13, 2019
The D.C. Circuit on Friday said the U.S. Environmental Protection Agency should have imposed ozone emission reduction deadlines on states whose pollution makes it harder for states that lie downwind to comply with limits imposed by the Clean Air Act.
October 03, 2018
The Environmental Protection Agency faced pointed questioning Wednesday from a D.C. Circuit panel over environmental groups' claims that the regulator has failed to adequately rein in ozone emissions from so-called upwind states that have kept their neighbors from meeting 2008 air quality standards.
January 24, 2017
A utility industry coalition and coal giant Murray Energy Corp. on Monday asked the D.C. Circuit to let them back the U.S. Environmental Protection Agency in a challenge by environmentalists claiming the agency's cross-state air pollution regulations that incorporate 2008 national ozone standards aren't stringent enough.
January 19, 2017
New York and five other "downwind" states urged the D.C. Circuit on Thursday to let them help defend the U.S. Environmental Protection Agency's cross-state air pollution regulations from suits brought by upwind states and the energy industry, saying the quality of their air depends on making sure the rule isn't delayed.
November 30, 2016
Five states are challenging the U.S. Environmental Protection Agency's recent incorporation of 2008 national ozone standards into the agency's cross-state air pollution rule, which would require several upwind U.S. states to reduce nitrogen oxide emissions from power plants.