The Ninth Circuit affirmed in part and reversed in part a district court's dismissal of a suit challenging an automobile company's use of diesel-cheat devices to evade compliance with federally mandated emission standards. Two counties argued the company's installation of and modification to the dev...
The Fifth Circuit upheld EPA's decision to reject a challenge to a CAA Title V permit it issued for expansion of a plant in Baytown, Texas. Environmental groups requested that EPA reject the permit on the grounds that the underlying Title I preconstruction permit allowing the expansion was invalid. ...
The First Circuit vacated an air permit issued by the Massachusetts Department of Environmental Protection (MDEP) for a proposed natural gas compressor station that is part of a natural gas pipeline connecting the northeastern U.S. and Canada. Nearby municipalities and citizens argued that MDEP impr...
In an unpublished opinion, the Ninth Circuit affirmed in part and dismissed in part a challenge to the Forest Service's decision to authorize logging in Idaho's Nez Perce-Clearwater National Forests. Environmental groups argued the decision violated the National Forest Management Act (NFMA) and the ...
The D.C. Circuit granted in part and denied in part Delaware's and Maryland's challenges to EPA's denial of their CAA §126(b) petitions requesting that the Agency impose additional limitations on certain upwind sources contributing to the states' nonattainment of ozone NAAQS. Maryland's petition ar...
The Ninth Circuit affirmed summary judgment for the Forest Service in a challenge to its issuance of grazing authorizations on allotments in the Malheur National Forest. Environmental groups argued that the Service violated the National Forest Management Act (NFMA) when it failed to "analyze and sho...
The D.C. Circuit ordered the Federal Aviation Administration and the National Park Service to issue regulations for commercial sightseeing flights over 23 national parks. Nonprofit groups sought to compel the agencies to regulate air tours at seven parks where they had injured members, as required b...
The D.C. Circuit granted a petition to review EPA's 2017 rule revising its emission standard for hazardous air pollutants (HAPs) emitted from pulp mill combustion sources. Environmental groups argued that EPA was required under §112(d)(6) of the CAA to consider the adequacy of the standard to contr...