PA Environment Daily

OCTOBER 14, 2021

On October 14, the Department of Environmental Protection presented a proposed regulation that would adopt California’s existing Zero Emission Vehicle Program that requires 22 percent of the new passenger and light duty vehicle fleets offered for sale in the state be zero emission vehicles starting in model year 2025.

Nitrogen Oxides 52

Nitrogen Oxides Regulations Ground-Level Ozone 2025 52

Union of Concerned Scientists

SEPTEMBER 26, 2024

Examples are benzene, hydrofluoric acid, particulate matter, sulfur dioxide, nitrogen oxides, and many, many other toxic pollutants. One good example of the nexus between global warming and local pollution is ground-level ozone. Refining uses many risky industrial processes. Bermix Studio/Unsplash PM2.5:

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Ground-Level Ozone Fossil Fuels Ozone Air Pollution 284

Union of Concerned Scientists

MAY 21, 2025

It presents air pollution data at the county-level for two pollutants, deadly fine particulate matter (PM 2.5 ) and ground-level ozone. is emitted directly from the tailpipes of gasoline and diesel vehicles, while ozone and even more PM 2.5 Internal combustion vehicles are largely to blame, since PM 2.5

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Ozone Ground-Level Ozone Air Pollution Clean Air Act 155

Union of Concerned Scientists

MAY 15, 2025

Although warehouses themselves are often not significant sources of air pollution, they attract high concentrations of heavy-duty trucks, which are the nations largest source of nitrogen oxides, a key contributor to ground-level ozone pollution.

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Ground-Level Ozone Air Pollution Electricity Ozone 228

Union of Concerned Scientists

MAY 17, 2023

Earlier this month, the Environmental Protection Agency’s (EPA) Clean Air Scientific Advisory Committee (CASAC) released a draft set of recommendations calling on the EPA to tighten its current standard for ground-level ozone pollution to protect public health. But will the EPA follow CASAC’s recommendations?

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Ozone Ground-Level Ozone Air Pollution Clean Air Act 261