Ozone-forming potential of organic emissions from alternative-fueled vehicles |
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| Affiliation: | 1. Institute of Technical Science of SASA, 11000 Belgrade, Serbia;2. Vinča Institute of Nuclear Sciences, University of Belgrade, 11001 Belgrade, Serbia;3. School of Electrical Engineering, University of Belgrade, 11000 Belgrade, Serbia;4. Serbian Academy of Sciences and Arts, 11000 Belgrade, Serbia;5. CEITEC BUT, Brno University of Technology, 61600 Brno, Czech Republic;1. Institut für Geowissenschaften, Friedrich-Schiller-Universität Jena, Carl-Zeiss-Promenade 10, D-07745 Jena, Germany;2. Bayerisches Geoinstitut, Universität Bayreuth, D-95440 Bayreuth, Germany;1. Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan;2. Graduate School of Environmental Science, Hokkaido University, Sapporo, Japan;3. LAPC, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;1. Department of Architecture and Energy, Faculty of Architecture and Urbanism, University of Art, Iran;2. Building and Housing Research Center, Iran;1. Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan;2. LAPC, Institute of Atmospheric Physics, China Academy of Science, Beijing 100029, China |
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| Abstract: | Ozone-forming potentials of emissions from various alternative-fueled vehicles and gasoline-fueled vehicles have been evaluated using currently available data on the composition of organic emissions from such vehicles. Ozone-forming potentials are computed using three different methods: (1) a relative reactivity method; (2) an incremental reactivity method; and (3) a direct method using a photochemical trajectory model and detailed organic composition data for vehicular emissions. The three different methods give consistent results when the compositions of non-methane hydrocarbon (NMHC) emissions are similar. In those cases, the simplified relative reactivity or incremental reactivity methods are useful. However, when the compositions of NMHC emissions are not similar, a method which considers the detailed speciated organic emissions data, such as the direct method, is needed. More reliable, statistically significant data for organic composition of emissions from alternative-fueled vehicles as well as gasoline-fueled vehicles are needed to improve the estimates of ozone-forming potentials. |
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