Electric power plants

Control of Air Pollution From New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards

The Environmental Protection Agency (EPA) is proposing a rule that would reduce air pollution from highway heavy-duty vehicles and engines, including ozone, particulate matter, and greenhouse gases. This proposal would change the heavy-duty emission control program-- including the standards, test procedures, useful life, warranty, and other requirements--to further reduce the air quality impacts of heavy- duty engines across a range of operating conditions and over a longer period of the operational life of heavy-duty engines.

Publication Date: 
Monday, March 28, 2022 - 4:00am

Revised Cross-State Air Pollution Rule Update for the 2008 Ozone NAAQS

The U.S. Environmental Protection Agency (EPA) is taking this action to address interstate transport of ozone pollution under the ``good neighbor provision'' of the Clean Air Act (CAA). This final action is taken in response to the United States Court of Appeals for the District of Columbia Circuit's (D.C. Circuit) remand of the Cross- State Air Pollution Rule (CSAPR) Update in Wisconsin v. EPA on September 13, 2019.

Publication Date: 
Friday, April 30, 2021 - 4:00am