Articles | Volume 17, issue 8
https://doi.org/10.5194/acp-17-5311-2017
https://doi.org/10.5194/acp-17-5311-2017
Research article
 | 
24 Apr 2017
Research article |  | 24 Apr 2017

Influence of fuel ethanol content on primary emissions and secondary aerosol formation potential for a modern flex-fuel gasoline vehicle

Hilkka Timonen, Panu Karjalainen, Erkka Saukko, Sanna Saarikoski, Päivi Aakko-Saksa, Pauli Simonen, Timo Murtonen, Miikka Dal Maso, Heino Kuuluvainen, Matthew Bloss, Erik Ahlberg, Birgitta Svenningsson, Joakim Pagels, William H. Brune, Jorma Keskinen, Douglas R. Worsnop, Risto Hillamo, and Topi Rönkkö

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Hilkka Timonen on behalf of the Authors (07 Feb 2017)  Author's response   Manuscript 
ED: Referee Nomination & Report Request started (14 Feb 2017) by Delphine Farmer
RR by Anonymous Referee #2 (24 Feb 2017)
RR by Anonymous Referee #1 (24 Feb 2017)
ED: Reconsider after minor revisions (Editor review) (27 Feb 2017) by Delphine Farmer
AR by Hilkka Timonen on behalf of the Authors (08 Mar 2017)  Author's response   Manuscript 
ED: Publish subject to technical corrections (24 Mar 2017) by Delphine Farmer
AR by Hilkka Timonen on behalf of the Authors (28 Mar 2017)  Author's response   Manuscript 
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Short summary
The effect of fuel ethanol content (10–100 %) on primary emissions and the subsequent secondary aerosol formation was investigated for a Euro 5 flex-fuel gasoline vehicle. The emissions were characterized during the New European Driving Cycle (NEDC) using high time-resolution instruments. The chemical composition of the exhaust particulate matter was studied using a soot particle aerosol mass spectrometer (SP-AMS), and the secondary aerosol formation was studied with an oxidation chamber.
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