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Gasoline cars produce more carbonaceous particulate matter than modern filter-equipped diesel cars
Platt, S. M.1,2; El Haddad, I.1; Pieber, S. M.1; Zardini, A. A.; Suarez-Bertoa, R.3; Clairotte, M.3; Daellenbach, K. R.1; Huang, R. -J.1,10; Slowik, J. G.1; Hellebust, S.4,11; Temime-Roussel, B.4; Marchand, N.4; de Gouw, J.5,6; Jimenez, J. L.6,7; Hayes, P. L.8; Robinson, A. L.9; Baltensperger, U.1; Astorga, C.3; Prevot, A. S. H.1
2017-07-13
发表期刊SCIENTIFIC REPORTS
卷号7期号:1
文章类型Article
摘要Carbonaceous particulate matter (PM), comprising black carbon (BC), primary organic aerosol (POA) and secondary organic aerosol (SOA, from atmospheric aging of precursors), is a highly toxic vehicle exhaust component. Therefore, understanding vehicle pollution requires knowledge of both primary emissions, and how these emissions age in the atmosphere. We provide a systematic examination of carbonaceous PM emissions and parameterisation of SOA formation from modern diesel and gasoline cars at different temperatures (22, -7 degrees C) during controlled laboratory experiments. Carbonaceous PM emission and SOA formation is markedly higher from gasoline than diesel particle filter (DPF) and catalyst-equipped diesel cars, more so at -7 degrees C, contrasting with nitrogen oxides (NOX). Higher SOA formation from gasoline cars and primary emission reductions for diesels implies gasoline cars will increasingly dominate vehicular total carbonaceous PM, though older non-DPF-equipped diesels will continue to dominate the primary fraction for some time. Supported by state-of-the-art source apportionment of ambient fossil fuel derived PM, our results show that whether gasoline or diesel cars are more polluting depends on the pollutant in question, i.e. that diesel cars are not necessarily worse polluters than gasoline cars.
WOS标题词Science & Technology
DOI10.1038/s41598-017-03714-9
关键词[WOS]SECONDARY ORGANIC AEROSOL ; LIGHT-DUTY VEHICLES ; PRIMARY EMISSIONS ; LOS-ANGELES ; SMOG CHAMBER ; IN-USE ; FUEL ; EXHAUST ; IMPACT ; AFTERTREATMENT
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000405379400001
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5436
专题粉尘与环境研究室
作者单位1.Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland
2.NILU Norwegian Inst Air Res, POB 100, N-2027 Kjeller, Norway
3.European Commiss, Directorate Energy Transport & Climate, Sustainable Transport Unit, Joint Res Ctr, I-21027 Ispra, VA, Italy
4.Aix Marseille Univ, CNRS, LCE, Marseille, France
5.NOAA, Earth Syst Res Lab, Boulder, CO USA
6.Univ Colorado, CIRES, Boulder, CO USA
7.Univ Colorado, Dept Chem, Boulder, CO 80309 USA
8.Univ Montreal, Dept Chim, Montreal, PQ, Canada
9.Carnegie Mellon Univ, Ctr Atmospher Particle Studies, Pittsburgh, PA 15213 USA
10.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
11.Cent Stat Off, Cork, Ireland
推荐引用方式
GB/T 7714
Platt, S. M.,El Haddad, I.,Pieber, S. M.,et al. Gasoline cars produce more carbonaceous particulate matter than modern filter-equipped diesel cars[J]. SCIENTIFIC REPORTS,2017,7(1).
APA Platt, S. M..,El Haddad, I..,Pieber, S. M..,Zardini, A. A..,Suarez-Bertoa, R..,...&Prevot, A. S. H..(2017).Gasoline cars produce more carbonaceous particulate matter than modern filter-equipped diesel cars.SCIENTIFIC REPORTS,7(1).
MLA Platt, S. M.,et al."Gasoline cars produce more carbonaceous particulate matter than modern filter-equipped diesel cars".SCIENTIFIC REPORTS 7.1(2017).
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