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Sierra Club v. BP Products North America Inc.

A district court adopted a magistrate judge's recommendation and granted an environmental group's motion for partial summary judgment in a lawsuit concerning particulate matter emissions violations at an oil refinery in Indiana. The...

New Jersey v. Environmental Protection Agency

The D.C. Circuit denied, 2-1, New Jersey's challenge to a rule promulgated by EPA on remand concerning the CAA's new source review (NSR) program. The state argued that EPA inadequately considered concerns stemming from the predictive...

Sierra Club v. Environmental Protection Agency

The D.C. Circuit vacated three provisions of EPA's 2018 rule implementing NAAQS for ozone. Environmental groups challenged four provisions of the rule: the interprecursor trading program, a provision allowing states to demonstrate...

American Lung Ass'n v. Environmental Protection Agency

The D.C. Circuit vacated EPA's Affordable Clean Energy Rule that repealed and replaced the Clean Power Plan as a means of regulating power plants' greenhouse gas emissions. A group of public health petitioners sought review of the rule'...

Texas v. United States Environmental Protection Agency

The Fifth Circuit denied petitions to review EPA's 2018 redesignation of Bexar County, Texas, from attainment to nonattainment and designation of three neighboring counties as attainment/unclassifiable for 2015 ozone NAAQS. Texas argued...

Voigt v. Coyote Creek Mining Co., LLC

The Eighth Circuit affirmed, 2-1, a ruling in favor of a mining company in a challenge to the company's failure to obtain a CAA construction permit for a mine in rural North Dakota. The owners of an adjacent ranch argued that the...

Ergon-West Virginia, Inc. v. United States Environmental Protection Agency

The Fourth Circuit granted for a second time an oil refinery's petition to review EPA's decision denying the refinery an exemption from biofuel requirements under the Agency's renewable fuel standard program, and vacated the Agency's...

Weymouth, Town of v. Massachusetts Department of Environmental Protection

The First Circuit amended a previous ruling vacating an air permit issued by the Massachusetts Department of Environmental Protection (MDEP) for a proposed natural gas compressor station that is part of a pipeline connecting the...

Sierra Club v. United States Environmental Protection Agency

The Third Circuit granted a petition to review EPA's approval of Pennsylvania's proposed NAAQS for ozone. An environmental group argued the standards wrongly claimed to reduce pollution output at the state's most advanced coal-burning...

POET Biorefining, LLC v. Environmental Protection Agency

The D.C. Circuit denied in part and dismissed in part a petition to review EPA's guidance concerning the process of certifying cellulosic biofuel. A biofuel company argued the guidance was a legislative rule that was invalidly...

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