Journal
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
Volume 18, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/ijerph18084025
Keywords
new energy vehicles (NEVs); technology innovation; air pollution; vehicle and vessel tax (VVT)
Funding
- Fundamental Research Funds for the Central Universities [2018CDXYJG0040]
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This study investigates the relationship between technology innovation of NEVs and air quality in China, finding that NEVs technology innovation can enhance air quality with the mediating role of NEVs output and the moderating role of vehicle and vessel tax.
China's high economic growth has been accompanied by deteriorating air quality in recent decades. This paper aims to explore the relation between technology innovation (defined as the invention patent counts of each region) of new energy vehicles (NEVs) in China and air quality. A panel fixed effect model is used to analyze this relation and the mediating effect methods are used to examine the role of the output of NEVs (defined as the annual production quantity of NEVs in each region (unit: thousand)). The results of our study show: (1) the impact of the technology innovation of NEVs on air quality is positive and statistically significant; (2) the mediating role of the output of NEVs is confirmed in the relation between NEVs innovation and air quality improvement; (3) the technology innovation of NEVs has a more notable impact on the air quality in the regions with higher vehicle and vessel tax (VVT). The present study implicates for the first time that the technology innovation of NEVs can enhance air quality with the mediating role of the output of NEVs and the moderating role of VVT.
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