EPA proposes tightening primary ozone standards to range of 65-70 ppb; final rule by October 2015
Green Car Congress
NOVEMBER 26, 2014
Ground-level ozone forms in the atmosphere when emissions of nitrogen oxides and volatile organic compounds “cook” in the sun from sources such as cars, trucks, buses, industries, power plants and certain fumes from fuels, solvents and paints. A number of California counties likely would have attainment dates ranging from 2032 to late 2037.
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