Legal Planet

AUGUST 22, 2023

States and local air quality regulators have the legal authority to set particulate matter (PM), ozone, and nitrogen oxides (NOx) emissions standards and adopt regulations for these pollutants when they are already in attainment of the national ambient air quality standards ( NAAQS ) set by the U.S.

Regulations 130

Regulations Ozone Air Pollution Clean Air Act 130

Union of Concerned Scientists

APRIL 11, 2024

Just a year later, however, the industry encountered a potentially major obstacle: A study conducted by the government’s National Air Pollution Control Administration found a link between outdoor NO2 exposure and childhood respiratory problems. Where did the gas industry pick up the finer points of PR disinformation?

2013 356

2013 Electricity Natural Gas Fossil Fuels 356

Legal Planet

AUGUST 2, 2023

As my colleagues and I have explained , generation shifting is an ordinary consequence of pollution-control rules and is the easiest, cheapest, and best way to reduce carbon dioxide emissions from fossil fuel-powered plants. Among already submitted comments are valuable ways the EPA can increase the stringency of the regulation.

Carbon Dioxide 177

Carbon Dioxide Fossil Fuels Clean Air Act Nitrogen Oxides 177

Union of Concerned Scientists

JUNE 14, 2023

EPA US Supreme Court decision in 2007 and the EPA’s follow-on Endangerment Finding and Cause or Contribute Finding in 2009, which ultimately set the stage for the agency to not only have the authority—but also the obligation—to regulate power plant carbon emissions. EPA Supreme Court decision in 2022. EPA’s 6-3 majority opinion. billion.

Fossil Fuels 203

Fossil Fuels Carbon Emissions Nitrogen Oxides Clean Air Act 203