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Platt, S.M.* ; Haddad, I.E.* ; Pieber, S.M.* ; Huang, R.J.* ; Zardini, A.A.* ; Clairotte, M.* ; Suarez-Bertoa, R.* ; Barmet, P.* ; Pfaffenberger, L.* ; Wolf, R.* ; Slowik, J.G.* ; Fuller, S.J.* ; Kalberer, M.* ; Chirico, R.* ; Dommen, J.* ; Astorga, C.* ; Zimmermann, R. ; Marchand, N.* ; Hellebust, S.* ; Temime-Roussel, B.* ; Baltensperger, U.* ; Prévôt, A.S.*

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

Nat. Commun. 5:3749 (2014)
Verlagsversion DOI PMC
Open Access Gold
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'.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Organic Aerosol Formation; Vehicle Emissions; Mass-spectrometry; Reaction Chamber; Smog Chamber; Secondary; Gasoline; Mopeds; Impact
Sprache englisch
Veröffentlichungsjahr 2014
HGF-Berichtsjahr 2014
ISSN (print) / ISBN 2041-1723
e-ISSN 2041-1723
Zeitschrift Nature Communications
Quellenangaben Band: 5, Heft: , Seiten: , Artikelnummer: 3749 Supplement: ,
Verlag Nature Publishing Group
Verlagsort London
Begutachtungsstatus Peer reviewed
Institut(e) Cooperation Group Comprehensive Molecular Analytics (CMA)
POF Topic(s) 30202 - Environmental Health
Forschungsfeld(er) Environmental Sciences
PSP-Element(e) G-504500-001
PubMed ID 24825457
DOI 10.1038/ncomms4749
WOS ID WOS:000337367300001
Scopus ID 84900852213
Erfassungsdatum 2014-05-17
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