Analysis of Exhaust Emission Characteristics of Surrogate e-Gasoline under Various Driving Modes

Jeonghyun Park; Naeun Choi; Hyung Jun Kim; Sangki Park; Young-Kyo Seo; Suhan Park

doi:10.15231/jksc.2026.31.1.036

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2026 Vol.31, Issue 1 Preview Page Next Page

Research Article

Analysis of Exhaust Emission Characteristics of Surrogate e-Gasoline under Various Driving Modes 차대 동력계에서 주행모드에 따른 모사 합성가솔린의 배출 특성 분석

31 March 2026. pp. 36-44

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Abstract

The objective of this study is to investigate the exhaust emission characteristics of surrogate e-gasoline fuels reflecting Fischer–Tropsch synthetic fuel properties under real vehicle and chassis dynamometer conditions. Three surrogate e-gasoline blends were formulated and compared with conventional gasoline using four standard driving cycles (FTP-75, HWFET, SC03, and US06). Regulated emissions (CO₂, NOₓ, THC, and CO) and unregulated pollutants, including volatile organic compounds (VOCs) and carbonyl compounds, were simultaneously evaluated. The results show that surrogate e-gasoline fuels produce higher THC and CO emissions during cold-start conditions due to delayed fuel vaporization associated with lower vapor pressure. However, under stabilized and high-temperature operating conditions, improved combustion stability—particularly for fuels with a higher iso-paraffin content—leads to reduced THC and CO emissions compared to gasoline. Fuels containing MTBE exhibit a slight increase in NO_x owing to elevated combustion temperatures, while overall CO₂ emissions are reduced by approximately 3% as a result of higher heating value. In addition, the removal of aromatic hydrocarbons effectively suppresses hazardous VOC emissions such as benzene and toluene.

Keywords

Surrogated e-Gasoline

Exhaust emissions

Chassis dynamometer, VOCs

Carbonyl compounds

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Information

Publisher :The Korean Society of Combustion
Publisher(Ko) :한국연소학회
Journal Title :Journal of the Korean Society of Combustion
Journal Title(Ko) :한국연소학회지
Volume : 31
No :1
Pages :36-44
Received Date : 2026-02-10
Revised Date : 2026-03-16
Accepted Date : 2026-03-16
DOI :https://doi.org/10.15231/jksc.2026.31.1.036

Journal of the Korean Society of Combustion ISSN:1226-0959(Print) 2466-2089(Online) 한국연소학회지

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