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...

The First Circuit affirmed the Massachusetts Department of Environmental Protection's (MDEP's) decision to issue an air permit for a natural gas compressor station in Weymouth, Massachusetts. Neighboring cities and individuals argued MDEP failed to follow its own established procedures by eliminatin...