The impacts of heat-power cogeneration on air pollution: An empirical study based on the measures for the administration of heat-power cogeneration policy in China

IF 9.7 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL
Wenhao Xue , LiYun Wang , Xinyao Li , Qingqing Xu , Zhe Yang
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Abstract

Air pollution is a global environmental challenge that places a heavy burden on human health and socioeconomics. In China, a large amount of pollutant emissions is attributed to the use of coal for heating and power generation, which makes efficient energy utilization a critical task for air pollution prevention and control. This study systematically investigates the impacts of the Measures for the Administration of Heat-Power Cogeneration (HPC) policy on air pollution and its mechanism by applying the difference in differences (DID) model based on a panel data sample covering 296 cities in China from 2013 to 2020. The SO2 and NO2 concentrations based on satellite remote sensing data are both incorporated into our unified analytical framework. The empirical results reveal that compared with the nonpilot cities, the HPC policy can significantly alleviate SO2 and NO2 pollution by approximately 17.4% and 3.7%, respectively, which can also be confirmed by multiple robustness tests. Then, we also found that there are three main mechanism paths to the implementation of pollution mitigation by the HPC policy, including green technology innovation, energy structure optimization, and energy efficiency improvement. Furthermore, significant heterogeneity of the effectiveness of the HPC policy on SO2 and NO2 pollution control was captured, and the synergistic effect is more obvious in cities with large populations, “2 + 26″ key cities, urban agglomerations, and low-carbon pilot cities. Moreover, we found that the roles of the HPC policy in NO2 abatement in low-carbon pilot cities and nonpilot cities did not show a significant difference. The findings of this paper can serve as useful policy references and inspiration for the systematic planning of HPC projects and provide a reference for other areas with severe air pollution.
热电联产对大气污染的影响——基于中国热电联产政策管理措施的实证研究
空气污染是一项全球性的环境挑战,给人类健康和社会经济带来沉重负担。在中国,大量的污染物排放是由于使用煤炭供暖和发电,这使得高效利用能源成为大气污染防治的关键任务。本文基于2013 - 2020年中国296个城市面板数据样本,运用差分差分(DID)模型,系统考察了《热电联产管理办法》政策对大气污染的影响及其机制。基于卫星遥感数据的SO2和NO2浓度均纳入我们的统一分析框架。实证结果表明,与非试点城市相比,高碳政策显著缓解SO2和NO2污染的效果分别约为17.4%和3.7%,这一结果也得到了多重稳健性检验的证实。研究还发现,绿色技术创新、能源结构优化和能效提升是HPC政策实施污染减排的主要机制路径。此外,HPC政策对SO2和NO2污染控制效果存在显著的异质性,在人口较多的城市、“2+26”重点城市、城市群和低碳试点城市的协同效应更为明显。此外,我们发现低碳试点城市和非试点城市的HPC政策对NO2减排的作用没有显着差异。本文的研究结果可为高效能工程项目的系统规划提供有益的政策参考和启示,并为其他大气污染严重地区提供借鉴。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Cleaner Production
Journal of Cleaner Production 环境科学-工程:环境
CiteScore
20.40
自引率
9.00%
发文量
4720
审稿时长
111 days
期刊介绍: The Journal of Cleaner Production is an international, transdisciplinary journal that addresses and discusses theoretical and practical Cleaner Production, Environmental, and Sustainability issues. It aims to help societies become more sustainable by focusing on the concept of 'Cleaner Production', which aims at preventing waste production and increasing efficiencies in energy, water, resources, and human capital use. The journal serves as a platform for corporations, governments, education institutions, regions, and societies to engage in discussions and research related to Cleaner Production, environmental, and sustainability practices.
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