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Effects of Gasoline Properties on Cold-Start Emission Characteristic: Part 2
Published May 21, 1997 by Society of Automotive Engineers of Japan in Japan
Event: JSAE Spring Conference
Japanese 11 mode emission tests were performed using three gasoline vehicles including US Low Emission Vehicle (LEV) to compare vehicle technologies for reducing cold-start emission with changing T90 of fuels. The latest technologies for satisfying LEV emission standard are greatly effective for reducing emissions for Japanese cold mode test with premium gasoline of Japanese market, which typically has low sulfur and low T90. Individual HC species measurements were also conducted in 11 mode tests to study the emitted HC characteristic. As a result of comparison between fuel species and exhaust HC species, the emitted HC species characteristics are classified according to fuel component types, paraffins, olefins and aromatics.