Urban Airshed Modeling of Air Quality Impacts of Alternative Transportation Fuel Use in Los Angeles and Atlanta
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1997-12-01
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Abstract:This report documents a photochemical modeling study of the potential impacts on air quality of future emissions from alternative fuel vehicles (AFVs). The main objective of the National Renewable Energy Laboratory (NREL) in supporting this study is to determine the relative air quality impact of the use of compressed natural gas (CNG) as an alternative transportation fuel when compared to Reid vapor pressure (RVP) gasoline and reformulated gasoline (RFG). Air quality impacts were estimated by performing photochemical modeling of the alternative fuel scenarios using the Urban Airshed Model Version 6.21 and the Carbon Bond Mechanism Version (CBM-IV). Using this model, the study examined the formation and transport of ozone under alternative fuel strategies for motor vehicle transportation source for the year 2007. Photochemical modeling was performed for modeling domains in Los Angeles, California and Atlanta, Georgia. This report was funded under subcontract YCC-05-14072-01 from the National Renewable Energy Laboratory. Due to photographic quality of original document, some portions of this on-line document may be difficult to read.
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