The D.C. Circuit upheld the emission standards EPA promulgated in 2012 for mercury and other listed hazardous air pollutants emitted by coal- and oil-fired electric utility steam generating units. The rule was challenged by industry, saying the rule was too stringent, as well as by environmental gro...

 The primary standards for carbon monoxide have remained the same since 1971. There has not been a secondary standard for carbon monoxide since EPA revoked a secondary standard in 1985. In 2007, EPA began reviewing whether to alter the current primary standards and whether to adopt a secondary ...

A district court held that Minnesota's New Generation Energy Act, which establishes energy and environmental standards related to carbon dioxide emissions, constitutes impermissible extraterritorial legislation and is a per se violation of the dormant Commerce Clause. The statute's plain language ap...

A New Jersey appellate court held that the state's Department of Environmental Protection violated the New Jersey APA when it withdrew from the Regional Greenhouse Gas Initiative (RGGI) program. In 2011, the state posted a notice on the Department's website that is was withdrawing from the RGGI prog...

A district court held that the CAA does not preempt landowners' state common-law tort claims against a whiskey distillery for property damage. The landowners alleged that emissions from the distillery caused "whisky fungus" to grow on their property. The distillery filed a motion to dismiss, arguing...