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Oklahoma Department of Environmental Quality v. Environmental Protection Agency
The D.C. Circuit vacated EPA's new source review (NSR) rule for Indian country, which established a federal implementation plan (FIP) covering all Indian country nationwide except where EPA had already approved a tribal NSR program or expressly authorized a SIP to be enforced. Because SIPs did not o...
Diné Care v. United States Environmental Protection Agency
A district court dismissed Native American and environmental groups' CAA citizen suit asking the court to order EPA to issue a final rule that establishes best available retrofit technology (BART) for the Navajo Generating Station, a coal-fired power plant in northern Arizona near the Grand Canyon. ...
National Parks Conservation Ass'n v. Environmental Protection Agency
The D.C. Circuit dismissed Arizona's objection to a consent decree that established a timeline for EPA to approve a SIP, or promulgate a federal implementation plan (FIP), that would meet the requirements of the Regional Haze Rule. A lower court held that it lacked jurisdiction to hear the objection...