The Clean Air Act (“CAA”) envisions states and the federal government working together to improve air quality. Under the CAA, states must develop State Implementation Plans (“SIPs”) to implement National Ambient Air Quality...more
On March 6, 2024, the United States Environmental Protection Agency (EPA) published in the Federal Register its long-awaited reconsideration of the National Ambient Air Quality Standard (NAAQS) for particulate matter (PM). In...more
The Environmental Protection Agency (EPA) intends to require power plants and other stationary sources in five additional states to comply with the Good Neighbor Plan to ensure that these states do not unlawfully contribute...more
Four environmental groups filed a May 29th Petition for Review (“Petition”) before the United States Environmental Protection Agency (“EPA”) Environmental Appeals Board (“EAB”) challenging a proposed 704 megawatt Combined...more
The Arkansas Department of Environmental Quality (“ADEQ”) Office of Air Quality publishes a quarterly newsletter (“Newsletter). The Fall 2017 edition was recently published....more
Maryland Attorney General Brian E. Frosh (“AG”) filed a Complaint in the United States District Court for the District of Maryland alleging a violation of the Clean Air Act by the United States Environmental Protection Agency...more
The House Energy & Commerce Committee’s Subcommittee on Energy and Power announced that it will hold a hearing to review the Environmental Protection Agency’s proposal to regulate carbon dioxide emissions from existing power...more
We analyze EPA’s novel proposal to regulate greenhouse gas emissions from existing power plants as it will shape its regulation of other industry sectors. On June 2, 2014, EPA released its long-anticipated proposal to...more
The D.C. Circuit, by majority decision, upheld MATS, which requires coal- and oil-fired power plants to reduce emissions of mercury, arsenic, chromium, and other air pollutants. When the EPA adopted MATS in 2011, it did not...more