Union of Concerned Scientists
MARCH 12, 2024
The plan cuts power plant and industrial ozone pollution that wafts from central parts of the nation into eastern states. According to the American Lung Association, nearly 120 million people in the nation—one of every three—lives with unhealthy levels of particle and ozone pollution. A 40-year-old Supreme Court ruling (Chevron v.
Legal Planet
AUGUST 24, 2023
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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Acoel
JUNE 29, 2022
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.
Acoel
FEBRUARY 23, 2022
Posted on February 23, 2022 by Karl S. Cost benefit analysis for Clean Air Act regulations has a tortuous history, which just got more twisted. American Trucking Association that EPA must not consider regulatory costs in establishing health based National Ambient Air Quality Standards for ozone and particulate matter.
Acoel
FEBRUARY 8, 2024
The federal Clean Air Act (CAA) was enacted in 1970 and amended in 1977 and 1990. EPA regulations under the Clean Air Act for controlling mercury, sulfur dioxide, ozone and other pollutants have contributed to the employment decline. Source: US DOE/EIA. Source: US DOE/EIA.
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.
Law and Environment
JUNE 14, 2022
The Clean Air Act generally prohibits a state from adopting its own motor vehicle emission standards. On March 14, 2022, EPA rescinded its 2019 waiver withdrawal and established a new standard for revisiting approved waiver determinations. Unsurprisingly, California and other states sued to stop the revocation.
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