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HCCI Combustion Engines with Ultra Low CO2 and NOx Emissions and New Catalytic Emission Control Technology

CO2/NOx 초저배출형 HCCI 엔진 연소기술과 신촉매제어기술

  • Kim, Moon-Hyeon (Department of Environmental Engineering, Daegu University)
  • 김문현 (대구대학교 환경공학과)
  • Published : 2008.12.31

Abstract

The Kyoto Protocol, that had been in force from February 16, 2005, requires significant reduction in $CO_2$ emissions for all anthropogenic sources containing transportation, industrial, commercial, and residential fields, etc, and automotive emission standards for air pollutants such as particulate matter (PM) and nitrogen oxides $(NO_x)$ become more and more tight for improving ambient air quality. This paper has briefly reviewed homogeneous charge compression ignition (HCCI) combustion technology offering dramatic reduction in $CO_2,\;NO_x$ and PM emissions, compared to conventional gasoline and diesel engine vehicles, in an effort of automotive industries and their related academic activities to comply with future fuel economy legislation, e.g., $CO_2$ emission standards and corporate average fuel economy (CAFE) in the respective European Union (EU) and United States of America (USA), and to meet very stringent future automotive emission standards, e.g., Tier 2 program in USA and EURO V in EU. In addition, major challenges to the widespread use of HCCI engines in road applications are discussed in aspects of new catalytic emissions controls to remove high CO and unburned hydrocarbons from such engine-equipped vehicles.

Keywords

Homogeneous charge compression ignition (HCCI);$CO_2$ emissions;Automotive emission standards;Fuel economy;Catalytic emission controls

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