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State Air Regulations Can Go Above and Beyond National Standards 

Legal Planet

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.

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Biden’s Proposed Power Plant Rule is a Solid First Step

Legal Planet

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.

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The evolution of US NOx standards for cars

Environment, Law, and History

Dan Farber at Legal Planet recently posted on "Cars, Smog, and EPA" An excerpt: For the first 20 years of federal regulation, Congress set the NOx [nitrogen oxides] standards for new cars itself. That’s quite different from the standards for industrial pollution sources, which Congress has always delegated to EPA.

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The Gas Utility Industry is Gaslighting Us

Union of Concerned Scientists

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?

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EPA Announces $1.35 Million Penalty, Settlement With Genesee & Wyoming Railroad Over Clean Air Act Violations

PA Environment Daily

and numerous affiliated companies (collectively, GWRSI) for violation of Clean Air Act (CAA) locomotive regulations. The locomotives at issue in this settlement burn diesel fuel which produces significant emissions of nitrogen oxides (NOx) and fine particulate matter. microns has been shown to cause lung damage and cancer.

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Ask a Scientist: Top Takeaways from the New EPA Carbon Pollution Rules

Union of Concerned Scientists

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.

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DEP Issues Notice Of Violation To Shell Petrochemical Plant In Beaver County For Air Quality Violations In Sept. - Oct.

PA Environment Daily

This exceedance is a violation of Shell’s plan approvals ( PA-04-00740A , PA-04-00740B , and PA-04-00740C ) and the Pennsylvania Air Pollution Control Act and regulations. DEP is authorized under the Air Pollution Control Act to order compliance where appropriate.