"Greenhouse gases" or "GHG" means the air pollutant defined in 40 CFR 86.1818-12(a) as the aggregate group of 6 greenhouse gases: carbon dioxide, nitrous oxide, methane, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride.
415 ILCS 5/3.207
"Greenhouse gases" or "GHG" means the air pollutant defined in 40 CFR 86.1818-12(a) as the aggregate group of 6 greenhouse gases: carbon dioxide, nitrous oxide, methane, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride.
415 ILCS 5/3.207