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황순홍(S.H.HWANG),정일록(I.R.CHUNG),엄명도(M.D.EOM),김정춘(J.C.KIM) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.11_1
The exhaust emission from gasoline vehicles by long term use can accelerate the urban air pollution due to their mechanical worn-out and malfunction of emission-related parts. In this study, we tried to present the necessary basic data to prolong the emission warranty periods to the level of advanced countries by evaluating the effects of emission status and emission-related parts on the exhaust emission for the gasoline vehicles produced after 1990. In order to survey the emission status for in-use vehicles, exhaust emission was measured by CVS-75 mode according to model year, vehicle type and mileage for total 37 fleets. In addition, the measured data for 259 gasoline vehicles was analyzed.<br/>