Legal Planet

AUGUST 24, 2023

This is part of an occasional series of posts about the evolution of pollution standards. Today’s subject is pollution control for new vehicles, which have been known to cause smog since the 1960s. The history of these pollution standards is quite distinctive. Tier 3 standards were phased in starting with 2017 cars.

Ground-Level Ozone 246

Ground-Level Ozone Pollution Control Clean Air Act Ozone 246

Union of Concerned Scientists

SEPTEMBER 26, 2024

Refineries have the highest rate of pollution in the oil industry, including air, water and soil pollution. Between 2017 and 2023 there were over 1500 injuries and seven deaths in 153 refineries across the US. One good example of the nexus between global warming and local pollution is ground-level ozone.

Ground-Level Ozone 323

Ground-Level Ozone Fossil Fuels Ozone Air Pollution 323

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 These emissions, which in 2022 were 37.4 Secondary PM 2.5

Ozone 246

Ozone Ground-Level Ozone Air Pollution Clean Air Act 246