Articles | Volume 21, issue 13
https://doi.org/10.5194/acp-21-10005-2021
https://doi.org/10.5194/acp-21-10005-2021
Measurement report
 | 
06 Jul 2021
Measurement report |  | 06 Jul 2021

Measurement report: Emissions of intermediate-volatility organic compounds from vehicles under real-world driving conditions in an urban tunnel

Hua Fang, Xiaoqing Huang, Yanli Zhang, Chenglei Pei, Zuzhao Huang, Yujun Wang, Yanning Chen, Jianhong Yan, Jianqiang Zeng, Shaoxuan Xiao, Shilu Luo, Sheng Li, Jun Wang, Ming Zhu, Xuewei Fu, Zhenfeng Wu, Runqi Zhang, Wei Song, Guohua Zhang, Weiwei Hu, Mingjin Tang, Xiang Ding, Xinhui Bi, and Xinming Wang

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Cited articles

Chan, A. W. H., Kautzman, K. E., Chhabra, P. S., Surratt, J. D., Chan, M. N., Crounse, J. D., Kürten, A., Wennberg, P. O., Flagan, R. C., and Seinfeld, J. H.: Secondary organic aerosol formation from photooxidation of naphthalene and alkylnaphthalenes: implications for oxidation of intermediate volatility organic compounds (IVOCs), Atmos. Chem. Phys., 9, 3049–3060, https://doi.org/10.5194/acp-9-3049-2009, 2009. 
Cross, E. S., Sappok, A., Wong, V., and Kroll, J. H.: Load-dependent emission factors and chemical characteristics of IVOCs from a medium-duty diesel engine, Environ. Sci. Technol., 49, 13483–13491, https://doi.org/10.1021/acs.est.5b03954, 2015. 
Deng, W., Fang, Z., Wang, Z. Y., Zhu, M., Zhang, Y. L., Tang, M. J., Song, W., Lowther, S., Huang, Z. H., Jones, K., Peng, P. A., and Wang, X. M.: Primary emissions and secondary organic aerosol formation from in-use diesel vehicle exhaust: comparison between idling and cruise mode, Sci. Total Environ., 699, 134357, https://doi.org/10.1016/j.scitotenv.2019.134357, 2020. 
Donahue, N. M., Robinson, A. L., Stanier, C. O., and Pandis, S. N.: Coupled partitioning, dilution, and chemical aging of semivolatile organics, Environ. Sci. Technol., 40, 2635–2643, https://doi.org/10.1021/es052297c, 2006. 
Drozd, G. T., Zhao, Y. L., Saliba, G., Frodin, B., Maddox, C., Oliver Chang, M. C., Maldonado, H., Sardar, S., Weber, R. J., Robinson, A. L., and Goldstein, A. H.: Detailed speciation of intermediate volatility and semivolatile organic compound emissions from gasoline vehicles: effects of cold-starts and implications for secondary organic aerosol formation, Environ. Sci. Technol., 53, 1706–1714, https://doi.org/10.1021/acs.est.8b05600, 2018. 
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Short summary
A tunnel test was initiated to measure the vehicular IVOC emissions under real-world driving conditions. Higher SOA formation estimated from vehicular IVOCs compared to those from traditional VOCs emphasized the greater importance of IVOCs in modulating urban SOA. The results also revealed that non-road diesel-fueled engines greatly contributed to IVOCs in China.
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