The Eighth Circuit vacated and remanded EPA's best available retrofit technology (BART) determination for a large power plant in North Dakota, but otherwise upheld EPA's partial disapproval of two SIPs submitted by North Dakota to meet the CAA's visibility requirements as well as the Agency's federa...

The Eleventh Circuit reversed a lower court decision excluding the testimony of two expert witnesses in the government's case against a power company for making major modifications at three of its coal-fired power plants without obtaining a permit or installing modern pollution control devices. The ...

The Ninth Circuit held that the California Air Resource Board (CARB) low carbon fuel standard's regulation of ethanol does not facially discriminate against out-of-state commerce. CARB treats all ethanol within each regional category the same, and its decision to draw one of the regional categories ...

The Fifth Circuit held that it lacked jurisdiction to review petitions challenging EPA's objection to three CAA Title V permits issued by the Louisiana Department of Environmental Quality for a proposed ironmaking facility. The state agency issued three separate Title V permits for the facility, and...

A California court issued a tentative decision upholding the California Air Resource Board's (CARB's) authority to sell greenhouse gas allowances at auction under the California Global Warming Solutions Act of 2006, also known as Assembly Bill 32 (AB 32). The court tentatively agreed that the auctio...

The Supreme Court of Washington upheld an administrative order the state environmental agency issued to a farmer, directing him to take several steps to curb pollution of a creek that runs through his property. A lower court invalidated the order, ruling that it was unsupported by substantial eviden...

The Seventh Circuit reversed a lower court decision finding a Wisconsin mine operator liable under the CWA for discharging copper into navigable waters without a permit. The CWA's permit shield provision provides that if a NPDES permit holder discharges pollutants in accordance with the terms of its...

The Second Circuit upheld a lower court's 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 approv...