https://www.selleckchem.com/pr....oducts/sgc-cbp30.htm
On-road remote sensing measurements of light and medium-duty gasoline vehicles collected within California's South Coast Air Basin since 1999 generally fall within the range of observed summer ambient molar NO x /CO measurements collected during morning rush hours. Compared with ambient and on-road emissions, the California Air Resources Board EMFAC model underpredicts 2018 gasoline vehicle NO x emission factors by more than a factor of 2.6. Contributing to these differences is that vehicles older than model year 2006 have NO x emissi
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