EPA Unveils Vehicle Air Model Update But Doubts Linger Over 2020 NEI

November 18, 2020
EPA has unveiled a major update to its motor vehicle emissions simulator (MOVES) tool that aims to improve estimates of autos’ air pollution used in rulemakings and the agency’s 2020 National Emissions Inventory (NEI), amid doubts over the accuracy of the latest NEI due to air quality changes resulting from the COVID-19 pandemic. The new version of the model, known as MOVES 3, is “a major revision to the previous versions” of the tool with “considerable advances in EPA’s understanding...


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