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Modeling Impacts of Highway Circular Curve Elements on Heavy-Duty Diesel Trucks’ CO 2 Emissions

Author

Listed:
  • Xiaodong Zhang

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Jinliang Xu

    (School of Highway, Chang’an University, Xi’an 710064, China)

  • Menghui Li

    (School of Highway, Chang’an University, Xi’an 710064, China
    China Harbour Engineering Company Limited, No. 9 Chunxiu Road, Dongcheng District, Beijing 100027, China)

  • Qunshan Li

    (Qinghai Province Traffic Construction Project Cost Management Station, Xining 810003, China)

  • Lan Yang

    (School of Highway, Chang’an University, Xi’an 710064, China
    Shaanxi Expressway Testing and Measuring Company Limited, Xi’an 710086, China)

Abstract

Heavy-duty trucks contribute a significant component of all transportation in cargo terminals, such as Shaanxi Province, China. The emissions from these vehicles are the primary source of carbon emissions during highway operations. While several studies have attempted to address emission issues by improving traffic operations, a few focused on the relationship between emissions and highway geometric design, especially for heavy-duty trucks. The primary goal of this research was to understand the impact of circular curve on carbon dioxide (CO 2 ) emissions produced by heavy-duty diesel trucks. Firstly, appropriate parameters were specified in MOVES (motor vehicle emission simulator) model according to the geometrical characteristics. Fuel consumption, speed and location data were collected by hiring five skilled drivers on the automotive proving ground located at Chang’an University, Shaanxi Province. The associated carbon emission data were derived from fuel consumption data by applying the IPCC (Intergovernmental Panel on Climate Change) method. After this, the applicability of MOVES model was verified by the field experiment. Moreover, a multiple regression model for CO 2 emissions incorporated with roadway segment radius, circular curve length, and initial vehicle speed was established with data generated by the MOVES model. The proposed CO 2 emission model was also verified by field experiment with relative error of 6.17%. It was found that CO 2 emission had monotone decreasing property with radius increasing, and the minimum radius that influenced diesel CO 2 emission was 550 m. The proposed quantitative CO 2 emission model can provide a reference for low-carbon highway design, leading to environment-friendly transportation construction.

Suggested Citation

  • Xiaodong Zhang & Jinliang Xu & Menghui Li & Qunshan Li & Lan Yang, 2019. "Modeling Impacts of Highway Circular Curve Elements on Heavy-Duty Diesel Trucks’ CO 2 Emissions," IJERPH, MDPI, vol. 16(14), pages 1-14, July.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:14:p:2514-:d:248275
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    References listed on IDEAS

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    1. Yaping Dong & Jinliang Xu & Menghui Li & Xingli Jia & Chao Sun, 2019. "Association of Carbon Emissions and Circular Curve in Northwestern China," Sustainability, MDPI, vol. 11(4), pages 1-15, February.
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    Cited by:

    1. Xingli Jia & Xuefang Qin & Jiyuan Zhu & Zhan Xiao & Wanjiang Guo, 2023. "Carbon Emission Pattern of Driving Car on Vertical Curves of Highway," Sustainability, MDPI, vol. 15(8), pages 1-23, April.

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