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    Rights statement: This is the author’s version of a work that was accepted for publication in Journal of Cleaner Production. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Cleaner Production, 288, 2021 DOI: 10.1016/j.jclepro.2020.125635

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    Embargo ends: 27/12/21

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Uncovering temporal-spatial drivers of vehicular NOx emissions in China

Research output: Contribution to journalJournal articlepeer-review

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  • J. Wang
  • X. Li
  • S. Ding
  • X. Xu
  • L. Liu
  • L. Dong
  • Y. Feng
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Article number125635
<mark>Journal publication date</mark>15/03/2021
<mark>Journal</mark>Journal of Cleaner Production
Volume288
Number of pages18
Publication StatusPublished
Early online date27/12/20
<mark>Original language</mark>English

Abstract

The increasing vehicle numbers in China have raised issues on effective mitigation of the vehicular NOx emissions recently. Notably, temporally growing and spatial agglomeration of high vehicular NOx emissions make an essential challenge to the mitigation strategy-makers. However, so far, there have been few studies to give insight into the socioeconomic drivers like the spatial imbalance of socioeconomic development, vehicle structure and road infrastructure to help governors. To fill the above gap, this study explores drivers of temporal change and spatial differences by building a temporal-spatial decomposition model and accounting for national and regional NOx emissions from vehicles in China from 2005 to 2015. Results show that, of all the driving forces in this study, only road vehicle carrying capacity (ΔNVI) acts as a primary driving force for both temporal growing and spatial agglomeration of vehicular NOx emissions in China. Regional vehicle emission intensity (ΔNNI) and road economic growth (ΔNEI) only mainly contributed to spatial agglomeration. While economic development (ΔNG) played a crucial role in the temporal growing of vehicular NOx emissions in China. These findings indicate that the future mitigation policy should fully cover the comprehensive socioeconomic factors, which would be useful for China and other developing countries when aiming to improve the performance of their current vehicle emissions policy system.

Bibliographic note

This is the author’s version of a work that was accepted for publication in Journal of Cleaner Production. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Cleaner Production, 288, 2021 DOI: 10.1016/j.jclepro.2020.125635