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Gasoline emissions dominate over diesel in formation of secondary organic aerosol mass
Open accessAbstract
Although laboratory experiments have shown that organic compounds in both gasoline fuel and diesel engine exhaust can form secondary organic aerosol (SOA), the fractional contribution from gasoline and diesel exhaust emissions to ambient SOA in urban environments is poorly known. Here we use airborne and ground‐based measurements of organic aerosol (OA) in the Los Angeles (LA) Basin, California made during May and June 2010 to assess the amount of SOA formed from diesel emissions. Diesel emissions in the LA Basin vary between weekdays and weekends, with 54% lower diesel emissions on weekends. Despite this difference in source contributions, in air masses with similar degrees of photochemical processing, formation of OA is the same on weekends and weekdays, within the measurement uncertainties. This result indicates that the contribution from diesel emissions to SOA formation is zero within our uncertainties. Therefore, substantial reductions of SOA mass on local to global scales will be achieved by reducing gasoline vehicle emissions.
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Cited by
The Molecular Identification of Organic Compounds in the Atmosphere: State of the Art and Challenges
Nozière, B., Kalberer, M., Claeys, M., Allan, J., D’Anna, B., Decesari, S., Finessi, E., Glasius, M., Grgić, I., Hamilton, J. F., et al. (2015) · Chemical Reviews · doi:10.1021/cr5003485 · Cited by 656
Self-citationNon-exhaust PM emissions from electric vehicles
Timmers, V. R. J. H., & Achten, P. A. J. (2016) · Atmospheric Environment · doi:10.1016/j.atmosenv.2016.03.017 · Cited by 601
Waked, A., Favez, O., Alleman, L. Y., Piot, C., Petit, J.-E., Delaunay, T., Verlinden, E., Golly, B., Besombes, J.-L., Jaffrezo, J.-L., et al. (2014) · Atmospheric Chemistry and Physics · doi:10.5194/acp-14-3325-2014 · Cited by 294
Gasoline cars produce more carbonaceous particulate matter than modern filter-equipped diesel cars
Platt, S. M., El Haddad, I., Pieber, S. M., Zardini, A. A., Suarez-Bertoa, R., Clairotte, M., Daellenbach, K. R., Huang, R.-J., Slowik, J. G., Hellebust, S., et al. (2017) · Scientific Reports · doi:10.1038/s41598-017-03714-9 · Cited by 200
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Metadata
- Authors
- Bahreini, R., Middlebrook, A. M., de Gouw, J. A., Warneke, C., Trainer, M., Brock, C. A., Stark, H., Brown, S. S., Dube, W. P., Gilman, J. B., Hall, K., Holloway, J. S., Kuster, W. C., Perring, A. E., Prevot, A. S. H., Schwarz, J. P., Spackman, J. R., Szidat, S., Wagner, N. L., Weber, R. J., Zotter, P., & Parrish, D. D.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2012-03-20
- Volume
- 39
- Issue
- 6
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W1881063732
- Cited by
- 207
- References
- 0
- FWCI
- 17.64
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Bahreini, R., Middlebrook, A. M., de Gouw, J. A., Warneke, C., Trainer, M., Brock, C. A., Stark, H., Brown, S. S., Dube, W. P., Gilman, J. B., Hall, K., Holloway, J. S., Kuster, W. C., Perring, A. E., Prevot, A. S. H., Schwarz, J. P., Spackman, J. R., Szidat, S., Wagner, N. L., . . . Parrish, D. D. (2012). Gasoline emissions dominate over diesel in formation of secondary organic aerosol mass. Geophysical Research Letters. https://doi.org/10.1029/2011gl050718
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