Assessment of reducing ozone forming potential for vehicles using liquefied petroleum gas as an alternative fuel

Chih Chung Chang, Jiunn Guang Lo, Jia Lin Wang

研究成果: 雜誌貢獻期刊論文同行評審

80 引文 斯高帕斯(Scopus)

摘要

Liquefied petroleum gas (LPG) is currently used in a small fleet of taxis as an alternative fuel to gasoline in Taipei, Taiwan as part of an incentive program promoted by Taiwan EPA to improve urban air quality. Under the test procedure in accordance with the US FTP-75 protocol to simulate an average urban driving pattern, the exhaust from four LPG and four gasoline-powered vehicles was analyzed for the percent composition of NMHCs. Emission factors for individual NMHCs were apportioned from the emission factors of total hydrocarbon based on chemical composition of the exhaust from both types of vehicles. After adjusting for ozone formation potential (OFP) by maximum incremental reactivity, the average OFP for LPG vehicles was estimated to be only 52.8% (g-O3/veh-km) of the gasoline vehicles, or 3.3% of ozone reduction in Taipei metropolitan area, should all taxis be converted to LPG fuel.Composition analysis of the local LPG revealed that propane, butane and isobutane were the three major components and negligible amounts of alkenes were also found. In addition, the leakage from a LPG service station was substantially smaller than from a gasoline service station because of the closed design with the LPG pumping systems.

原文???core.languages.en_GB???
頁(從 - 到)6201-6211
頁數11
期刊Atmospheric Environment
35
發行號35
DOIs
出版狀態已出版 - 2001

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