The court holds that the district court erred in holding that environmental groups lack standing in their Federal Water Pollution Control Act citizen suit challenging the Department of Energy's (DOE's) proposed reopening of a nuclear reactor at the Savannah River site in South Carolina. The reactor ...

The court denies a suggestion for rehearing en banc of its prior decision in Natural Resources Defense Council v. Defense Nuclear Facilities Safety Board, 22 ELR 21381, which held that the Board's regulation allowing it to close meetings, or portions of meetings, concerning its recommendations relat...

The court holds that the Federal Power Act (FPA) preempts state regulation of a federally licensed hydroelectric power project in a national forest in California. The court first holds that the action is ripe for review even though plaintiff dam operator has not completed the state permitting proces...

The court denies most of oil companies' motions to dismiss in a class action suit brought by individual well owners claiming that the companies knowingly caused methyl tertiary butyl ether (MTBE) contamination of their groundwater. The court first holds that the claims of several of the class partic...

The court affirms the dismissal of a domestic utility company's allegation that the Energy Policy Act of 1992 (EPACT) unconstitutionally imposed monetary assessments on domestic utilities for the remediation of environmentally contaminated U.S. uranium processing facilities. Beginning in the 1960s, ...

The court denies a petition for review seeking reversal of the U.S. Environmental Protection Agency (EPA) Administrator's decision not to object to a state agency's determination that the heightened permitting requirements of the prevention of significant deterioration (PSD) program do not apply to ...

The court affirms a district court holding that the Clean Air Act (CAA) does not preempt California's ban of the use of methyl tertiary butyl ether (MTBE) in oxygenated fuel. CAA §211(c)(4)(A) preempts state regulation of fuel for purposes of motor vehicle emissions, but California is exempt fr...

The court held that a 2002 U.S. Environmental Protection Agency (EPA) rule specifying that Nevada was divided into more than 250 baseline areas for the Clean Air Act (CAA) prevention of significant deterioration (PSD) program was not arbitrary or capricious. Based on an ambiguous 1991 EPA regulation...

The court affirms a district court decision that New York Air Pollution Mitigation Law §66-k is preempted by the Clean Air Act (CAA) Title IV cap-and-trade system and violates the Supremacy Clause of the U.S. Constitution. Section 66-k requires the assessment of an air pollution mitigation offs...

The court holds that an electric utility violated the Clean Air Act (CAA) when it completed 11 construction activities that modified a coal-fired electric-generating facility without first calculating post-construction emissions and obtaining preconstruction CAA prevention of significant deteriorati...