Articles | Volume 23, issue 6
https://doi.org/10.5194/acp-23-3819-2023
https://doi.org/10.5194/acp-23-3819-2023
Research article
 | 
31 Mar 2023
Research article |  | 31 Mar 2023

Vehicular ammonia emissions: an underappreciated emission source in densely populated areas

Yifan Wen, Shaojun Zhang, Ye Wu, and Jiming Hao

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Short summary
This study established a high-resolution vehicular NH3 emission inventory for mainland China to quantify the absolute value and relative importance of on-road NH3 emissions for different regions, seasons and population densities. Our results indicate that the significant role of on-road NH3 emissions in populated urban areas may have been underappreciated, suggesting the control of vehicular NH3 emission can be a feasible and cost-effective way of mitigating haze pollution in urban areas.
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