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New EPA Rule Removes Emergency Defense Waiver in Title V Air Permits

On July 21, 2023, the Environmental Protection Agency published a final rule eliminating an affirmative defense for Clean Air Act permit emissions violations caused by “emergency” circumstances. “Major sources” (i.e....more

EPA Finalizes “Good Neighbor Plan” Targeting Ozone-Creating NOx Emissions in 23 States

On March 15, 2023, EPA finalized its Good Neighbor Plan under the Clean Air Act (“CAA”), a rule designed to reduce smog-forming nitrogen oxide ("NOx") pollution from power plants and other industrial facilities in 23 upwind...more

EPA Proposes Significant Change to Particulate Matter Air Quality Standards

On January 6, 2023, EPA announced that is was issuing a proposed rule to lower the National Ambient Air Quality Standards (“NAAQS”) for fine particulate matter (“PM2.5”), also referred to as soot...more

Earth Week Series: The Future of Environmental Regulation

As we near Earth Day 2022, the United States may be headed toward a profound change in the way EPA and similar administrative agencies regulate the complex areas of environmental law. EPA began operating more than 50 years...more

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