A district court denied BLM's motion to transfer a lawsuit over BLM's hydraulic fracturing rule from California to Wyoming. The agency argued that moving the lawsuit to Wyoming would avoid potentially conflicting legal precedents between the California and Wyoming district courts and that the Distri...

The D.C. Circuit denied environmental groups' petition to review a 2016 rule that EPA uses to determine whether an event caused by recurring activity is "exceptional" and thus exempt from a state's emissions report. The groups argued that EPA misread the definition of "natural event" under the excep...

The Second Circuit vacated a rule published by the National Highway Traffic Safety Administration indefinitely delaying a previously published rule that increased civil penalties for noncompliance with Corporate Average Fuel Economy standards. Environmental groups argued that the agency violated pro...

The D.C. Circuit upheld the dismissal of a lawsuit brought by an environmental group challenging FERC's funding structure. The group argued that the agency's funding structure created structural bias by incentivizing the agency to approve pipelines in order to seek larger appropriations from Congres...

The D.C. Circuit denied a newspaper reporter's motion for partial summary judgment to require EPA to publish calendar entries of the EPA Administrator's activities. The reporter argued that the Agency violated FOIA's reading-room provision by failing to make the Administrator's detailed calendar ava...

The Ninth Circuit affirmed a district court's denial of a car owner's motion to intervene in DOJ's case against a German automaker to resolve alleged CAA violations. The owner argued that DOJ's settlement with the automaker violated Virginia's SIP by not requiring all affected vehicles to be bought ...

The D.C. Circuit denied Delaware's petition to review EPA's decision granting the Philadelphia area an extra year to comply with national ground-level ozone standards. Delaware argued that the Agency's extension violated the CAA because not all four states in the Philadelphia area applied for an ext...

The D.C. Circuit denied petitions from industry groups challenging EPA's new kiln air emissions standards for brick and clay manufacturers, and largely granted petitions from environmental groups who argued the standards were not strict enough to protect human health. Industry groups argued that the...