The Court reversed the Fourth Circuit's grant of summary judgment in favor of a coal-fired power plant operator charged with violating the Clean Air Act's (CAA's) prevention of significant deterioration (PSD) regulations. The CAA's PSD and new source performance standards (NSPS) provisions both cove...

The Second Circuit upheld the dismissal of rescue, search, and cleanup workers' substantive due process complaint against federal officials for knowingly issuing false statements about air quality safety in the aftermath of the September 11, 2001, terrorist attacks of the World Trade Center. The wor...

The Tenth Circuit upheld a lower court decision denying a citizen group's lawsuit to enjoin the U.S. Department of Energy's (DOE's) approved operation of the Waste Isolation Pilot Plant, a nuclear waste repository located in southeastern New Mexico. The group argued that DOE relied on faulty data re...

The court held unripe a petition challenging the Nuclear Regulatory Commission's (NRC's) decision to grant a license permitting the construction and operation of a spent nuclear fuel storage facility on land belonging to the Skull Valley Band of Goshute Indians in Utah. After the NRC approved the li...

The Federal Claims Court held that the U.S. Department of Energy (DOE) must pay two nuclear utilities over $77 million in damages for failing to commence performance of its contract to accept, transport, and dispose of the utilities' spent nuclear fuel. Under the contract, DOE was to start accepting...

The Ninth Circuit affirmed a lower court decision that the Clean Air Act (CAA) does not preempt certain provisions of local "fleet rules" requiring operators to meet specified emission standards or engine requirements, but reversed and remanded the court's refusal to consider whether the CAA preempt...

The Tenth Circuit upheld the constitutionality of Colorado's Clean Indoor Air Act. The Act bans smoking in indoor areas, but it expressly exempts from this general prohibition "airport smoking concessions" such as airport restaurants and bars. A coalition of tavern and bar owners filed suit challeng...

The Ninth Circuit upheld an injunction enjoining the California Air Resources Board from enforcing state regulations that limit emissions from the auxiliary diesel engines of ocean-going vessels within 24 miles of California's coast. Clean Air Act (CAA) §209(e)(2)(A) requires California to obta...

The Second Circuit remanded with directions to dismiss claims against the U.S. Environmental Protection Agency (EPA) and a former Agency administrator for misleading plaintiffs into believing that the air quality in lower Manhattan in the aftermath of September 11, 2001, was safe enough to permit th...

A district court held that the applicable legal test for the "routine maintenance, repair, and replacement" exclusions found in the Clean Air Act (CAA) should be applied to activities that are considered "routine in the industry" rather than "routine at the unit." In a CAA enforcement action filed a...