Developing a carbon emission charging scheme considering mobility as a service

Fang Zong, Yu-Xuan Li and Meng Zeng

Energy, 2023, vol. 267, issue C

Abstract: This paper develops a carbon emission charging scheme regarding mobility as a service. An emission coefficient is proposed to express the carbon emissions of vehicles with different displacements. By expressing the travel utility and establishing a mode choice model based on utility maximization theory, we analyze the influence of carbon emission toll rate on traveler's mode choice. Then, a pricing model is established with the goal of maximizing social welfare associated with environmental impacts, travel utility and economic benefits. The Lagrange multiplier method is used to solve the optimal toll rate. The results indicate that compared to the scenario without the charging scheme, the sharing rate of cars powered by nonclean energy decreases from 39.27% to 18.90% and that of shared mobility services and public transport increases by 8.23% and 6.46% respectively. The total carbon emissions decrease by 19.24%. Travelers tend to choose shared cars or car pools rather than public transport. The findings can serve as a theoretical support and decision-making basis for specifying a carbon emission charging scheme and determining the toll rate, which encourages a low carbon-emission mode use to promote the low carbon development of the transportation system.

Keywords: Carbon emission charging; Toll rate; Clean energy; Travel mode; Mobility as a service (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:267:y:2023:i:c:s0360544222033813

DOI: 10.1016/j.energy.2022.126495

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