|Table of Contents|

Carbon emission efficiency and driving factors analysis of urban bus transportation(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2024年4期
Page:
139-148
Research Field:
交通工程
Publishing date:

Info

Title:
Carbon emission efficiency and driving factors analysis of urban bus transportation
Author(s):
YUAN Chang-wei;  PENG Chen
(College of Transportation Engineering, Chang'an University, Xi'an 710064, Shaanxi, China)
Keywords:
traffic engineering;  carbon emission efficiency;  super-SBM model;  urban bus transport;  driving factor
PACS:
U491.1
DOI:
10.19721/j.cnki.1671-8879.2024.04.013
Abstract:
In recent years, transport carbon emissions have become one of the important sources of carbon emissions in the process of urban development. In order to promote the development of urban public transport in a low-carbon and efficient manner, the efficiency of carbon dioxide emissions from urban public transport and its driving factors was quantitatively analyzed. The urban public transport system in Shaanxi Province was taken as an example, using the data of public transport energy consumption from 2017 to 2021, and the temporal and spatial characteristics of the carbon emission factor of the power grid was considered, the top-down method was used to measure the carbon dioxide emission of public transport. The number of standard operating vehicles, total length of operating routes, and total energy consumption of public transport were selected as input variables, and passenger traffic and carbon emissions as output variables, and the super-SBM model was established to analyse the carbon emission efficiency of urban public transport. In addition, the LMDI was used to analyse the influence of each driving factor on the carbon emissions of public transport.Based on the results of the study, energy-saving and emission reduction policy recommendations were proposed for the public transport industry in Shaanxi Province. The results show that the average value of urban public transport carbon emission efficiency in Shaanxi Province is 0.65, and there is still a large input and output space, of which, Yan'an, Xi'an and Tongchuan have higher carbon emission efficiency, and Weinan, Hanzhong and Ankang have backward carbon emission efficiency, and the differences in public transport carbon emission efficiency among different regions in Shaanxi Province are obvious, the northern region is larger than the northern region, and the Guanzhong region is larger than the southern region of Shaanxi Province. In the study period from 2017 to 2021, urban public transport carbon emissions in Shaanxi Province in general showed a downward trend, the transport intensity factor has the most significant effect on the impact of public transport carbon emissions, and embodied in the inhibition, the other influencing factors on the public transport carbon emissions to promote the role of the effect of the value of the strongest to the weakest in order of intensity of the energy structure, economic development, energy consumption and the population size factor, the effect of the value of the impact of the effect of the value of the following, respectively 104 800, 98 900, 43 500 and 34 200 t.4 tabs, 2 figs, 26 refs.

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Last Update: 2024-07-10