Air

Tracking the latest agency and congressional debates over rules to cut emissions of traditional pollutants, and a broad range of novel EPA policies including the agency's shift to a "multipollutant" regulatory approach for individual sectors.

Topic Subtitle: 
Tracking the latest agency and congressional debates over rules to cut emissions of traditional pollutants, and a broad range of novel EPA policies including the agency's shift to a "multipollutant" regulatory approach for individual sectors.


D.C. Circuit Broadly Rejects Challenges To EPA SO2 NAAQS Designations

The U.S. Court of Appeals for the District of Columbia Circuit has broadly rejected three challenges to EPA's designations for which areas are attaining or violating the 2010 sulfur dioxide (SO2) air standard, defending the agency's discretion on technical issues and faulting suits from environmentalists and a Kansas utility on procedural grounds. In an Oct. 19 ruling in Samuel Masias, et al. v. EPA, et al. , a three-judge panel unanimously rebuffs challenges from Colorado citizens, Ohio environmentalists and a...


EPA, states spar over ozone NAAQS designations delay

EPA is sparring with states and environmentalists over the agency's one-year delay of designations of areas as “nonattainment” for federal ozone national ambient air quality standards (NAAQS), with the agency seeking to dismiss environmentalists' lawsuit as moot on several grounds. In an Oct. 16 filing in the U.S. Court of Appeals for the District of Columbia Circuit suit American Lung Association, et al. v. EPA, et al. , EPA again argues that “this case is now indisputably moot and should...


Maryland sues EPA over interstate ozone petition denial

Maryland is suing EPA over its denial of the state's petition seeking direct federal regulation of out-of-state air emissions, as East Coast states fight for new federal measures to combat interstate ozone problems. In a suit filed Oct. 12 in the U.S. Court of Appeals for the District of Columbia Circuit, the state seeks review of EPA's Oct. 5 final denial of petitions filed by Maryland and Delaware for EPA to regulate ozone-forming nitrogen oxides (NOx) The states petitioned EPA...


E15 Waiver Prompts Broader Debate Over Fate Of RFS In Congress, Courts

President Donald Trump's order for EPA to issue a waiver allowing year-round sales of 15 percent ethanol fuel (E15) is prompting broader debate over the fate of the renewable fuel standard (RFS), including the waiver's impact on efforts in Congress to reform the RFS and whether the decision can withstand an expected oil sector legal challenge. Refining industry and environmentalist sources tell Inside EPA that the biofuels industry's apparent victory in securing the waiver -- which EPA plans to finalize...


DOJ Renews Request To Halt Youth Climate Case While Prepping For Trial

The Department of Justice (DOJ) is renewing its push to halt a high-profile trial slated for later this month where a group of young people are challenging the government's actions to worsen climate change, urging an appellate court to block the case even after a lower court judge ruled on pending motions that were the basis of its most recent appeal. At the same time, DOJ continues to prepare for trial in Juliana, et al. v. United States , at...

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