Analysis of Particulate Matter Emission Factors in the Part5 Model
نویسنده
چکیده
Introduction The EPA's PART5 model, similar in structure to the MOBILE5a model, calculates g/mi exhaust emissions of PM and SOx from 12 classes of motor vehicles. It also calculates g/mi emissions of road dust and particles from tire wear and brake wear1. The g/mi emission factors of PART5 can be multiplied by estimates of VMT in a particular region to produce a total inventory of mobile-source PM emissions for the region. Because there are relatively few light-duty diesel vehicles and heavy-duty gasoline vehicles, virtually all on-road mobile-source PM comes from light-duty gasoline cars and trucks, and heavy-duty diesel vehicles (EPA, 1998b):
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