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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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Cars, Smog, and EPA

Legal Planet

This is part of an occasional series of posts about the evolution of pollution standards. Today’s subject is pollution control for new vehicles, which have been known to cause smog since the 1960s. The history of these pollution standards is quite distinctive. Congress adjusted the standards twice.

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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.

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How to Get to Zero Emissions at the Ports

Legal Planet

However, goods movement through the Ports is a major source of air pollution and greenhouse gas emissions in the L.A. The South Coast Air Quality Management District has reported that the Ports are “the single largest fixed source of air pollution in Southern California.” region and the State of California.

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EPA Finalizes Rule To Reduce Methane Emissions From Oil & Gas Infrastructure; DEP’s Oil & Gas Methane Regulations 1 Year Old

PA Environment Daily

Note: In December, 2022, DEP finalized regulations reducing volatile organic compounds and methane from existing conventional and unconventional oil and gas facilities. The conventional regulations were challenged in Commonwealth Court by conventional oil and gas operators. [The Read more here. [In Read more here.]

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Defending EPA’s Authority to Fight Climate Change – at the Supreme Court

Legal Planet

EPA in defense of EPA’s authority to effectively regulate greenhouse gas emissions under the Clean Air Act. The case involves a group of challenges to EPA’s ability to regulate greenhouse gas emissions from existing stationary sources under the 1970 Clean Air Act, a monumental piece of environmental and public health legislation.

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Catch 22 at the Supreme Court

Legal Planet

Massachusetts made plain that emissions of carbon dioxide qualify as air pollution subject to regulation under the Act. Once EPA lists a category, the agency must establish standards of performance for emission of pollutants from new or modified sources within that category. at 528–529. 7411(b)(1)(B); see also §7411(a)(2).