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United States v. Ameren Missouri

A district court partially dismissed EPA's lawsuit against an energy company for violating the CAA when it allegedly undertook major modifications at a coal-fired power plant in Festus, Missouri. EPA alleged that the company violated the Missouri SIP, the terms of its Title V permit, and the CAA...

Entergy Nuclear Vermont Yankee, LLC v. Shumlin

A district court issued a permanent injunction barring the state of Vermont from bringing an enforcement action, or taking other action, to compel the Vermont Yankee nuclear power plant to shut down after its license expires on March 21, 2012, if it fails to obtain legislative approval to contin...

In re United States

The Federal Circuit, in a case involving an electronics manufacturer's challenge to excise taxes on the use of ozone depleting chemicals (ODCs), reversed a lower court decision ordering the IRS to disclose to the manufacturer its excise tax audits of other companies. After paying the excise tax ...

Sierra Club v. United States Environmental Protection Agency

The Ninth Circuit held that EPA's approval of the 2004 SIP for the San Joaquin Valley nonattainment area for the one-hour ozone NAAQS was arbitrary and capricious. Although it approved the SIP in 2010, EPA's approval was based on data current only as of 2004. By approving the 2004 SIP despite kn...

Navistar v. Jackson

A district court dismissed an automobile engine manufacturer's lawsuit against EPA seeking to force the Agency to recall model year 2010 heavy-duty diesel engines equipped with liquid, urea-based selective catalyst reduction (SCR) technology for failing to comply with CAA emissions standards. Th...