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Gaseous Pollutants Emission From Diesel Vehicles In Hong Kong, Bei, Helen Wang, Yik Sze Lau, Kin Fai Ho
Gaseous Pollutants Emission From Diesel Vehicles In Hong Kong, Bei, Helen Wang, Yik Sze Lau, Kin Fai Ho
Faculty of Science & Technology (THEi)
The current study presents the detailed investigation of diesel vehicles emissions utilizing chassis dynamometer test in Hong Kong. Gaseous pollutants from diesel vehicle exhaust, including nitrogen oxides (NOx), total hydrocarbon (THC) and carbon monoxide (CO), are chosen to be the targets of this study. These pollutants were monitored real-time during different testing cycles and the data collected were used to calculate the fuel-based emission factor of each pollutant. Results showed that emission standard and driving conditions are the two main factors governing the trend of emission of these pollutants. Outliers observed in these trends are probably caused by …