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 fumes they emit, and the tracks they use. Accordingly, its falls under the umbrella of federal regulatory aut...

The Fourth Circuit held that the Federal Power Act (FPA) does not grant the Federal Energy Regulatory Commission (FERC) permitting jurisdiction when a state denies approval of a permit application within one year. Two state utilities commissions and two community interest organizations challenged se...

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 plant in Hempstead County, Arkansas, without first obtaining a prevention of significant deterioration permit ...

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 reporting requirements during exceptional events such as natural disasters. The rule allows states to list s...

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 related regulations in conjunction with its operation of coal-fired power plant in Bull Run, Tennessee, must procee...

The D.C. Circuit denied a petition challenging the Federal Energy Regulatory Commission 's (FERC's) approval of the Electric Reliability Organization's (ERO's) method for allocating costs based on net energy for load. The ERO was created under §215 of the Federal Power Act to establish and enfo...

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 operation of a fossil fuel-fired electricity generating facility. The groups argued that two projects, the economiz...

The Ninth Circuit held that the U.S. Environmental Protection Agency (EPA) did not act arbitrarily, capriciously, or contrary to law when it granted Nevada's request to split one of its clean air areas into two. Contrary to an environmental group's claim, the presence and operation of a mine in the ...

The court remanded portions of a 2002 U.S. Environmental Protection Agency (EPA) rule interpreting when a major stationary source undertakes a "modification," thereby triggering the Clean Air Act's new source review (NSR) requirements. EPA erred in promulgating the clean unit applicability test, whi...

The court affirms a district court's grant of summary judgment to the Tennessee Valley Authority (TVA) on environmental groups' request for civil penalties and on its claim as to violations of the Clean Air Act's (CAA's) 20% opacity limitation occurring before May 20, 1999, but it reversed summary j...