Posts marked "Clean Air Act"

On August 18, 2018, the Trump administration proposed sweeping changes to U.S. Environmental Protection Agency (“EPA”) regulations of power plant greenhouse gas (“GHG”) emissions, which would replace the Clean Power Plan regulations promulgated by the Obama administration in 2015.  According to EPA’s projections, the proposed changes would result in increased emissions of GHGs and other … Read Post


As one of numerous attempts by the Trump Administration to roll back Obama-era rules, in the coming weeks, the Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) are expected to announce a proposed rule that would weaken the agencies’ 2012 national standards for vehicular greenhouse gas emissions and fuel economy and could … Read Post


On March 28, 2017, President Trump signed an Executive Order, titled “Promoting Energy Independence and Economic Growth,” that is designed to roll back several of President Barack Obama’s efforts to address climate change.  While some of the Executive Order’s provisions are self-executing, many will require lengthy administrative procedures to become effective and certainly will face … Read Post




On November 25, 2014, the US Environmental Protection Agency (“EPA”) proposed to strengthen the Clean Air Act’s National Ambient Air Quality Standard (NAAQS) for ground-level ozone. The proposed regulation would lower the threshold for ozone pollution from 75 parts per billion (“ppb”) to a range of 65 to 70 ppb, which falls within the 60 … Read Post


On Monday, June 23, the U.S. Supreme Court issued Utility Air Regulatory Group v. EPA, a mixed decision with three key holdings: (1) that the Environmental Protection Agency (“EPA”) has the authority to regulate the greenhouse gas (“GHG”) emissions of stationary sources already required to obtain Clean Air Act (“CAA”) Prevention of Significant Deterioration (“PSD”) … Read Post


On June 2, 2014, the Environmental Protection Agency (“EPA”) proposed a regulation that is designed to cut carbon dioxide (CO2) emissions from existing power plants by up to 30% by 2030, compared to 2005 levels. The proposed regulations, issued under Section 111(d) of the Clean Air Act, would set different emissions targets for different states … Read Post


Two recent decisions by the D.C. Circuit Court of Appeals upheld United States Environmental Protection Agency (“EPA”) air quality standards and emissions limitations, continuing a string of legal victories for EPA. On May 9, the D.C. Circuit upheld EPA’s 2012 revision to the National Ambient Air Quality Standards (“NAAQS”) for fine particulate matter  (PM2.5), citing … Read Post


Recent weeks have seen new developments in the field of air quality regulation of particulate matter on the local, state, and federal levels.  The term “particulate matter” encompasses the dust, dirt, soot, and smoke that, when inhaled, has been associated with asthma and other serious health problems. New York City: Mayor de Blasio proposes comprehensive … Read Post