Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 21
Articles | Volume 25, issue 21
https://doi.org/10.5194/acp-25-15403-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-15403-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 21
Measurement report
 | 
11 Nov 2025
Measurement report |  | 11 Nov 2025

Measurement report: Unexpected high volatile organic compounds emission from vehicles on the Tibetan Plateau

Weichao Huang, Sihang Wang, Peng Cheng, Bingna Chen, Bin Yuan, Pengfei Yu, Haichao Wang, Nan Ma, Mei Li, and Keding Lu

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Short summary
We studied vehicle emissions from ten 3000-meter tunnels on the Tibetan Plateau. Emissions of volatile organic compounds (VOCs) increase with elevation due to the evaporation of fuel oil from low pressure, unlike at lower elevations where tailpipe is predominant. This suggests that specific emission control measures are needed. This research aims to understand emissions at high altitudes and to guide cleaner transport.
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