The D.C. Circuit remanded FERC orders rejecting an Oklahoma city's complaint that a hydroelectric dam overseen by the Commission caused periodic flooding. The city argued that the dam operator violated Article 5 of its license, which FERC had issued under the Federal Power Act, and sought to require...

The D.C. Circuit remanded DOE's 2020 rule that set more stringent energy efficiency standards than those of the American Society of Heating, Refrigerating and Air-Conditioning Engineers for commercial packaged boilers. Industry groups argued, among other things, that the Department inflated the econ...

A district court vacated EPA's denial of an environmental group's petition to issue new and revised water quality standards for the state of Washington. The group argued that EPA acted arbitrarily and capriciously in denying its petition, and sought to have the denial vacated and the petition remand...

The Ninth Circuit remanded EPA's issuance of an NPDES general permit for concentrated animal feeding operations (CAFOs) in Idaho. Environmental groups challenged the permit, arguing it lacked sufficient monitoring provisions to ensure compliance with its discharge limitations. The court found that t...