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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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Replacing California’s Oldest and Dirtiest Cars Will Save Money and Lives

Union of Concerned Scientists

As early as 1966 , the state began to take regulatory action to reduce pollution from passenger cars and trucks. As a result of continuing progress on regulations, the air-polluting emissions of new passenger vehicles currently for sale are thankfully much lower than those of older vehicles. Combining the PM 2.5

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Why the Bay Area’s Zero-Emission Appliance Rule is a Big Deal

Legal Planet

Several cities in California, including Los Angeles and in the Bay Area, have outlawed new gas hookups, but these are the first regulations that would effectively ban the sale of gas appliances. Furnaces and water heaters are even bigger polluters, with major contributions to outdoor air pollution in the Bay Area.

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Diesel is the Reason for the Sneezin’: Cleaner Holiday Deliveries are on the Horizon

Union of Concerned Scientists

But while greenhouse gas emissions may be reduced, a delivery fulfilled by a diesel-burning truck may lead to increases in emissions of smog-forming nitrogen oxides and lung-damaging particulate matter. The number of available electric truck models in the US and Canada has surpassed 180.

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DEP Issues Three More Air Quality Violations To Shell Petrochemical Plant In Beaver County Related To Emergency Flaring, Exceeding 12-Month Air Pollution Limits

PA Environment Daily

tons of nitrogen oxides. tons of nitrogen oxides. The Shell Petrochemical Plant has received a total of 11 Air Quality violations and two Water Quality violations since July, 2022. The PADEP must do more to hold these polluters accountable.” Shell reported emissions of 370.688 tons.

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Truck Loopholes 101 – When Emissions Regulations Don’t Match the Real World

Union of Concerned Scientists

The EPA is getting ready to finalize a critical regulation limiting emissions of smog-forming nitrogen oxide (NO X ) and soot (or particulate matter, PM 2.5 ) from new heavy-duty trucks. State regulations have strict inducements, so the degree to which EPA aligns with such parameters is important.

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Changes to California’s Electric Truck Proposal Could Reap Huge Climate and Air Quality Gains

Union of Concerned Scientists

This new regulation would apply to delivery vans, big rigs, box trucks, and buses. The Advanced Clean Fleets (ACF) rule has the potential to significantly reduce climate-warming greenhouse gas (GHG) emissions as well as harmful air pollutants like fine particulates (PM2.5)