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Vehicle Emission Comparisons along Electronic and Manual Toll Collection Lanes

机译：电子和手动收费车道上的车辆排放比较

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摘要

This paper evaluated the passenger cars' emission levels for two kinds of highway toll collection lanes (electronic toll collection and manual toll collection) in China. The traffic flow characteristics, including speed, volume, delay, queue length, and the real-time emission data of CO, HC, NOx, CO_2 on electronic toll collection (ETC) and manual toll collection (MTC) lanes, were collected with unmanned aerial vehicle (UAV) and AUTOplus, respectively. Volume concentrations of vehicle emissions were converted into mass emission rates and emission factors for further analyses. The parameters of vehicle specific power (VSP) were calibrated and its distribution under on-road driving conditions was explored. T tests were conducted to examine the significant difference on two different lanes for emissions and traffic operations. According to traffic flow characteristics, the ETC system was found to obviously increase vehicle speed and reduce delay and queue length. In addition, the emissions of four pollutants on MTC lanes were much higher than those on ETC lanes.
机译：本文评估了中国两种高速公路收费车道（电子收费站和手动收费站）的乘用车排放水平。无人值守收集了电子收费站（ETC）和手动收费站（MTC）车道上的交通流特征，包括速度，数量，延迟，队列长度以及CO，HC，NOx，CO_2的实时排放数据飞机（UAV）和AUTOplus。车辆排放物的体积浓度转换为质量排放率和排放因子，以进行进一步分析。校准车辆特定功率（VSP）的参数，并研究其在道路行驶条件下的分布。进行了T检验，以检验在排放和交通运营的两个不同车道上的显着差异。根据交通流特征，发现ETC系统可以明显提高车速，减少延迟和排队时间。此外，MTC车道上的四种污染物的排放量远高于ETC车道上的排放量。

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