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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. grams per mile (gpm) for NOx.

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CLEAN AIR ACT COST BENEFIT ANALYSIS IS REQUIRED ONLY WHEN AUTHORIZED BY STATUTE, EXCEPT IF IT IS IMPOSED BY EXECUTIVE ORDER, BUT COST BENEFIT ANALYSIS IMPOSED BY EXECUTIVE ORDER CAN ONLY BE MODIFIED AS DIRECTED BY STATUTE

Acoel

13,990 ’s direction to consider the value of global environmental harms flowing from greenhouse gas emissions could not be adopted absent a clear statutory mandate to consider extraterritorial benefits of regulatory action. Cost benefit analysis for Clean Air Act regulations has a tortuous history, which just got more twisted.

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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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Other 2023 N.C. Environmental Legislation

Smith Enviorment

AIR QUALITY. The legislature put two provisions in the Appropriations Act of 2023 (House Bill 259) to prevent state agencies from adopting rules intended to reduce emissions of greenhouse gasses such as carbon dioxide (CO2) in the state. ’s current ozone SIP based on vehicle emission inspections in 19 N.C.

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Energy & Climate CounselFoley Hoag LLP The Battle Over California’s Authority to Set Vehicle Emission Standards Continues

Law and Environment

The Clean Air Act generally prohibits a state from adopting its own motor vehicle emission standards. Whether the EPA violated the equal-sovereignty doctrine when it reis­sued California’s 2013 Clean Air Act waiver under Section 209(b)(1) of the Clean Air Act.”.

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After the Court Rules: Gaming out Responses to a Cutback in EPA Authority

Legal Planet

The Clean Power Plan has no practical significance today: the deadlines in the Plan have long since passed, and the U.S. The Trump Administration said that the second two prongs, involving shifts away from coal and toward renewables, went beyond EPA’s powers under the Clean Air Act.

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The Origins of Climate Awareness in the Legal Academy

Legal Planet

Westlaw searches for “global warming” and “greenhouse effect” pick up only a handful of citations before 1985. But it’s not totally clear what he meant, because “climate change” was used at the time to refer to a range of issues including acid rain, damage to the ozone layer, local weather control efforts, and desertification.