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Study on the relationship between built environment elements and motor vehicle emissions
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Baozhen YAO1, Dongxuan BAI1, Rui FENG2, *, Yongjie XUE3, Xiaokai ZHANG1
Science & Technology Review | 2025, 43(6) : 57 - 64
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Science & Technology Review | 2025, 43(6): 57-64
• Exclusive: Green Building and Urban Governance •
Study on the relationship between built environment elements and motor vehicle emissions
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Baozhen YAO1, Dongxuan BAI1, Rui FENG2, *, Yongjie XUE3, Xiaokai ZHANG1
Affiliations
  • 1. School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
  • 2. School of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China
  • 3. School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
Published: 2025-03-28 doi: 10.3981/j.issn.1000-7857.2024.04.00318
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With a developing national economy, the demand for green and low-carbon built environment has also increased significantly. However, the ever-growing number of motor vehicles has made exhaust emissions a major obstacle to urban greening and decarbonization. Taking Beijing for an example, the temporal distribution of motor vehicle exhaust emissions on road segments was estimated by using Computer programme to calculate emissions from road transport（COPERT） model. Based on various elements of built environment, the subjective and objective impact of these elements on motor vehicle emissions were analyzed through the Ordinary Least Squares (OLS) model and the entropy weight method. Finally, the comprehensive integration weighting method was employed to identify the significant factors influencing exhaust emissions. The results showed that the trend of exhaust emissions during weekdays and weekends was similar, both increasing first and then decreasing over time; but the average daily emissions on weekdays were significantly higher than those at weekends. Among the various built environment elements, road segment length was the most significant element affecting vehicle emissions. The study concluded with reasonable suggestions for promoting green and low-carbon built environment.

green and low-carbon  /  built environment  /  exhaust gas emission  /  comprehensive ensemble weighting method  /  emission influencing factors
Baozhen YAO, Dongxuan BAI, Rui FENG, Yongjie XUE, Xiaokai ZHANG. Study on the relationship between built environment elements and motor vehicle emissions[J]. Science & Technology Review, 2025 , 43 (6) : 57 -64 . DOI: 10.3981/j.issn.1000-7857.2024.04.00318
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Article Info
doi: 10.3981/j.issn.1000-7857.2024.04.00318
  • Receive Date：2024-04-21
  • Online Date：2025-06-29
  • Published：2025-03-28
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History
  • Received：2024-04-21
  • Revised：2024-11-29
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Affiliations
    1. School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
    2. School of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China
    3. School of Transportation Science and Engineering, Beihang University, Beijing 100191, China
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