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Open Access Gold möglich sobald Verlagsversion bei der ZB eingereicht worden ist.
Two-stroke scooters are a dominant source of air pollution in many cities.
Nat. Commun. 5:3749 (2014)
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
ISSN (print) / ISBN
2041-1723
e-ISSN
2041-1723
Zeitschrift
Nature Communications
Quellenangaben
Band: 5,
Artikelnummer: 3749
Verlag
Nature Publishing Group
Verlagsort
London
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed