Skip to Main content Skip to Navigation
Journal articles

Two-stroke scooters are a dominant source of air pollution in many cities

Abstract : Fossil fuel-powered vehicles emit significant particulate matter, for example, black carbon and primary organic aerosol, and produce secondary organic aerosol. Here we quantify secondary organic aerosol production from two-stroke scooters. Cars and trucks, particularly diesel vehicles, are thought to be the main vehicular pollution sources. This needs re-thinking, as we show that elevated particulate matter levels can be a consequence of `asymmetric pollution' from two-stroke scooters, vehicles that constitute a small fraction of the fleet, but can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. Further, we demonstrate that oxidation processes producing secondary organic aerosol from vehicle exhaust also form potentially toxic `reactive oxygen species'.
Document type :
Journal articles
Complete list of metadata

Cited literature [28 references]  Display  Hide  Download

https://hal.archives-ouvertes.fr/hal-01456406
Contributor : Etienne QUIVET Connect in order to contact the contributor
Submitted on : Wednesday, January 17, 2018 - 11:13:12 AM
Last modification on : Thursday, December 16, 2021 - 3:56:39 AM
Long-term archiving on: : Monday, May 7, 2018 - 3:00:38 PM

File

ncomms4749.pdf
Publisher files allowed on an open archive

Identifiers

Collections

Citation

S. M. Platt, I. El Haddad, S. M. Pieber, R. -J. Huang, A. A. Zardini, et al.. Two-stroke scooters are a dominant source of air pollution in many cities. Nature Communications, Nature Publishing Group, 2014, 5, ⟨10.1038/ncomms4749⟩. ⟨hal-01456406⟩

Share

Metrics

Record views

83

Files downloads

123