2023 Greenhouse Ground-Level Ozone Ozone 
Legal Planet
AUGUST 24, 2023
NOx plays a role in forming ground level ozone and final particulates (PM2.5), both of which are human health hazards. In 1998, however, the Clinton Administration brokered a deal between the car companies and Northeastern states who complained that ozone was getting blown into their states from upwind states.
PA Environment Daily
FEBRUARY 28, 2023
It also helps lower the level of carbon dioxide, one of the greenhouse gases heating up the climate, in the air. Gasoline and diesel vehicles generate 47 percent of nitrogen oxides emissions in Pennsylvania, contributing to ground-level ozone. Posted: February 28, 2023] PA Environment Digest
PA Environment Daily
AUGUST 31, 2023
Gasoline and diesel vehicles generate 47 percent of nitrogen oxides emissions in Pennsylvania, contributing to ground-level ozone. The transportation sector makes up 22 percent of Pennsylvania’s total greenhouse gas emissions.
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