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    • A study on emission and fuel consumption of motorcycles in idle mode and the impacts on air quality in Hanoi, Vietnam
    Authors: Yen-Lien T. Nguyen; Anh-Tuan Le; Khanh Nguyen Duc; Vinh Nguyen Duy; Cong Doan Nguyen;  Advisor: -;  Co-Author: - (2021)

    This study aims to develop the models of emission and fuel consumption during idling of motorcycles (MCs) in Hanoi, including the unsteady and steady idling stages. Five MC models commonly used in Hanoi were selected to measure the instantaneous emission and fuel consumption rates under the controlled conditions at the laboratory conditions. The instantaneous emission and fuel consumption models during idling were developed for the test MCs in the unsteady idling stage. The R2 of obtained models are higher than 0.9. The average emission and fuel consumption rates in the steady idling stages were determined. The average idling emissions of pollutants CO, CO2, HC and NOx were 60.9, 534....