Clean Air Act (CAA)

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…

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…

The D.C. Circuit granted in part environmental groups' petition for review of a final rule promulgated by the U.S. Environmental Protection Agency (EPA) to regulate "hot spot"…