Air Pollution Ozone Regulations Technology 
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.
Union of Concerned Scientists
OCTOBER 13, 2022
This new regulation would apply to delivery vans, big rigs, box trucks, and buses. This new regulation would apply to delivery vans, big rigs, box trucks, and buses. Regulate more tractor trucks, including the smaller fleets. However, lowering the threshold to 10 could deliver around 15 percent greater GHG, PM2.5,
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Acoel
JUNE 29, 2022
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. The agency’s air quality modeling indicates that most areas would receive an ozone reduction of less than 0.1 ppb by 2025.
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. grams per mile (gpm) for NOx.
Legal Planet
OCTOBER 26, 2022
discussing the ways in which local air districts can take action to end harmful air pollution from building appliances. In California, CARB and the state’s 35 local air districts share authority to adopt and enforce control strategies to achieve these standards. Download as PDF.
PA Environment Daily
FEBRUARY 2, 2024
Comments due March 8. -- The Department of Environmental Protection published notice in the February 3 PA Bulletin inviting comments on proposed 2024 Ozone Season Nitrogen Oxide Emission Limits for Nonelectric Generating Units. Notice of new technical guidance documents and regulations? All through its eNotice system.
Union of Concerned Scientists
DECEMBER 1, 2022
California’s leadership on reducing truck pollution has been on full display the past few years, passing critical regulations requiring 90 percent reduction in smog-forming nitrogen oxide (NO X ) emissions from diesel trucks and requiring manufacturers sell an increasing share of electric trucks to move away from fossil fuels altogether.
Expert insights. Personalized for you.
130 
Let's personalize your content