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Estimation on the Emission Reduction of SULEV LPG Vehicles

SULEV LPG 자동차의 배출가스 저감효과 평가

  • Park, Jun-Hong (Transportation Pollution Research Center, National Institute of Environmental Research) ;
  • Lee, Jong-Tae (Transportation Pollution Research Center, National Institute of Environmental Research) ;
  • Kim, Sun-Moon (Transportation Pollution Research Center, National Institute of Environmental Research) ;
  • Kim, Jeong-Soo (Transportation Pollution Research Center, National Institute of Environmental Research) ;
  • Kang, Dae-Il (Transportation Pollution Research Center, National Institute of Environmental Research) ;
  • Lim, Yun-Sung (Transportation Pollution Research Center, National Institute of Environmental Research) ;
  • Han, Bo-Young (Transportation Pollution Research Center, National Institute of Environmental Research)
  • 박준홍 (국립환경과학원 교통환경연구소) ;
  • 이종태 (국립환경과학원 교통환경연구소) ;
  • 김선문 (국립환경과학원 교통환경연구소) ;
  • 김정수 (국립환경과학원 교통환경연구소) ;
  • 강대일 (국립환경과학원 교통환경연구소) ;
  • 임윤성 (국립환경과학원 교통환경연구소) ;
  • 한보영 (국립환경과학원 교통환경연구소)
  • Received : 2011.10.12
  • Accepted : 2012.01.12
  • Published : 2012.02.29

Abstract

SULEV (Super Ultra Low Emission Vehicle) which is one of the emission standards in Fleet Average System introduced to Korea from 2009 is known as the most severe standard to achieve with internal combustion engine. Considering low sales volume of hybrid vehicles in Korea, vehicle manufacturers are required to develop SULEV technologies for conventional gasoline and LPG vehicles to meet the future Fleet Average standard. In this study, the comparison of emissions has been made between SULEV developed and ULEV LPG vehicles mainly produced in this time. To estimate the emission reduction of SULEV vehicles, CVS-75 and NIER test modes have been used. CVS-75 has been used for emission certification of gasoline and LPG vehicles. NIER modes cover various average vehicle speed and reflect Korean real driving patterns better than CVS-75. The test results show that SULEV LPG vehicles have very high potential to reduce $NO_x$ in regulated emissions, $N_2O$ in green house gases and toluene in VOCs. However, SULEV LPG vehicles don't affect much on the reduction of CO and total green house gases.

Keywords

References

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