Research on the Impacts of Vehicle Type on Car-Following Behavior, Fuel Consumption and Exhaust Emission in the V2X Environment

Junyan Han, Xiaoyuan Wang (), Huili Shi, Bin Wang, Gang Wang, Longfei Chen and Quanzheng Wang
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Junyan Han: College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266100, China
Xiaoyuan Wang: College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266100, China
Huili Shi: College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266100, China
Bin Wang: College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266100, China
Gang Wang: College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266100, China
Longfei Chen: College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266100, China
Quanzheng Wang: College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266100, China

Sustainability, 2022, vol. 14, issue 22, 1-15

Abstract: The type of vehicles in realistic traffic systems are not homogeneous. Impacts of the preceding vehicle’s type on the car-following behavior, fuel consumption and exhaust emissions are still unclear. This paper presents a study on the impacts of two types of preceding vehicles, heavy vehicles and new energy vehicles, on car-following behavior, traffic flow characteristics, fuel consumption and exhaust emissions. Firstly, an extended car-following model was proposed by incorporating the influence of the preceding vehicle’s type. Secondly, impacts of the preceding vehicle’s type on platoon stability were analyzed by applying linear stability theory. Finally, numerical simulations were carried out to analyze impacts of the preceding vehicles’ type on the characteristics of the car-following platoon, traffic flow operation, and vehicle’s fuel consumption and exhaust emissions. The results reveal that, compared with the normal preceding vehicle, there are negative impacts of the heavy and new-energy preceding vehicles on the platoon stability, traffic flow operation, and vehicle’s fuel consumption and exhaust emissions, and these impacts are related to the corresponding sensitivity parameters and the penetration percentages of the two types of preceding vehicle. The research results of this paper can provide a reference for understanding car-following behavior and traffic-flow characteristics affected by the type of preceding vehicles in the V2X environment.

Keywords: V2X; vehicle type; car-following behavior; fuel consumption; exhaust emission (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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