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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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Improving EPA’s Latest Ozone Transport Rule

Acoel

Posted on June 29, 2022 by Eugene M. The downwind air quality benefits are minimal. The proposed rule would provide de minimus air quality benefits in downwind areas with extremely high costs – estimated by EPA at $22 billion discounted 2016 dollars for the 2023-2042 period. enjoyed ozone reductions of 3 to 5 ppb or more.

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EPA’s Power Plant Carbon Rules Are Critical—and Complex. Here’s What to Know, and What to Watch.

Union of Concerned Scientists

Through the Clean Air Act , and as affirmed—and reaffirmed—through multiple legal sagas, EPA is statutorily obligated to address carbon pollution from fossil fuel-fired power plants. The Supreme Court clipped the agency’s wings in its 2022 West Virginia v. EPA decision, but it did not ground EPA.

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Cars, Smog, and EPA

Legal Planet

At the high temperatures in internal combustion engines, some of the nitrogen in the air actually burns, resulting in the formation NO or NO 2 , which are collectively called NOx. NOx plays a role in forming ground level ozone and final particulates (PM2.5), both of which are human health hazards. trillion miles in 2022. (If

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Sabin Center Files Amicus Brief in Support of New GHG Vehicle Emissions Standards

Law Columbia

EPA , the United States Environmental Protection Agency (EPA) has regulated greenhouse gas (GHG) emissions from motor vehicles under the Clean Air Act. In 2022, Texas, along with several other states and industry groups representing fuel manufacturers (together, Petitioners), challenged EPA’s new emissions standards in court.

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EPA Unveils Proposed Methane Pollution Reduction Standards Covering Oil & Gas Facilities, Including Conventional Oil & Gas Wells

PA Environment Daily

Environmental Protection Agency announced it is strengthening its proposed standards to cut methane and other harmful air pollution. The updates would provide more comprehensive requirements to reduce climate and health-harming air pollution, including from hundreds of thousands of existing oil and gas sources nationwide.

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Environmental Health Project: PA’s Natural Gas Boom - What Went Wrong? Why Does It Matter? What Can We Do Better To Protect Public Health?

PA Environment Daily

Body Of Evidence Is 'Large, Growing,’ ‘Consistent’ And 'Compelling' The following testimony on unconventional shale gas development and health impacts was given to the Senate Democratic Policy Committee on June 2, 2022 by Brian S. Wastewater can also have various heavy metals and radioactive materials present that can harm health.