Air

A district court entered judgment for the Tennessee Valley Authority (TVA) with respect to environmental groups’ claims that the TVA violated the CAA and the Tennessee SIP in its…

The Seventh Circuit dismissed Michigan's petition for review of an EPA rule redesignating certain Native American lands to Class I status under the CAA's prevention of significant…

A district court held that environmental groups' citizen suit against the Tennessee Valley Authority (TVA) for violating the Clean Air Act, the Tennessee state implementation plan, and…

The D.C. Circuit denied an environmental group's petition for review of U.S. Environmental Protection Agency (EPA) air quality regulations governing the exclusion of emissions data from state…

The Eighth Circuit upheld as moot a lower court decision denying a hunting club's motion to preliminarily enjoin a power company from constructing a 600-megawatt pulverized coal-fired power…

A district court dismissed a county's lawsuit against a railroad company for allowing its locomotive engines to idle in violation of state air pollution law. This case involves railcars, the…

The Seventh Circuit upheld a lower court order enjoining a power company from building a coal-fired power plant without first obtaining a new prevention of significant deterioration (PSD) permit…

A district court held that the Clean Air Act (CAA) does not preempt a local air district rule that requires developers to reduce nitrogen oxide and particulate matter emissions from their projects…

A district court denied motions for summary judgment on states' claims that an electric utility modified one of its coal-fired power plants in violation of the prevention of signnificant…

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…