Ground-Level Ozone Pollution Control Technology 
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. Congress adjusted the standards twice.
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 The report analyses the concentration levels of PM 2.5
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