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

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

doi:10.5194/acp-25-15403-2025

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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May 2025	108	24	8	140
Jun 2025	118	26	22	166
Jul 2025	130	72	14	216
Aug 2025	286	22	0	308
Sep 2025	1,096	34	16	1,146
Oct 2025	118	106	18	242
Nov 2025	476	77	15	568
Dec 2025	249	99	26	374
Jan 2026	278	77	12	367
Feb 2026	201	66	18	285
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Cumulative views and downloads (calculated since 28 May 2025)

Month	HTML	PDF	XML	Total
May 2025	108	24	8	140
Jun 2025	118	26	22	166
Jul 2025	130	72	14	216
Aug 2025	286	22	0	308
Sep 2025	1,096	34	16	1,146
Oct 2025	118	106	18	242
Nov 2025	476	77	15	568
Dec 2025	249	99	26	374
Jan 2026	278	77	12	367
Feb 2026	201	66	18	285
Mar 2026	209	101	17	327
Apr 2026	167	60	12	239
May 2026	129	45	3	177
Jun 2026	40	9	8	57

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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.