The D.C. Circuit granted in part and denied in part a petition challenging EPA's update to the Cross-State Air Pollution Rule. Environmental groups and Delaware argued that EPA violated the…
The D.C. Circuit upheld EPA's implementation of its Renewable Fuel Standards Program, which requires transportation fuel sold in the United States to contain a minimum volume of renewable…
The D.C. Circuit dismissed a petition to review EPA's order denying an environmental group's objection to renewal of a Title V operating permit for a power plant in Utah. The group…
The D.C. Circuit dismissed in part and denied in part a petition to review EPA's 2016 revisions to its ambient air quality monitoring system regulations. An environmental group argued that…
A district court granted in part summary judgment against EPA for failure to implement its 2016 Emission Guidelines and Compliance Times for Municipal Solid Waste Landfills. Eight states argued…
The D.C. Circuit denied downwind states' petition challenging EPA's refusal to expand the Northeast Ozone Transport Region, which consists of states required by the Agency to enact tight…
The D.C. Circuit granted hydrofluorocarbon (HFC) manufacturers' petitions to review a 2016 EPA rule that rendered certain HFCs unacceptable for various uses in aerosols, motor vehicle air…
The Sixth Circuit dismissed environmental groups' petition to review air pollution control permits issued by Ohio's Environmental Protection Agency for two natural gas compressor…
A district court granted environmental groups' request to compel the U.S. Chemical and Safety Hazard Investigation Board to promulgate regulations concerning accidental chemical releases. The…
A state court upheld the North Dakota Department of Health's decision to issue an air quality permit for construction of an oil refinery less than three miles from Theodore Roosevelt National…