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Unregulated emissions from light-duty hybrid electric vehicles.

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Title: Unregulated emissions from light-duty hybrid electric vehicles.
Authors: Suarez-Bertoa, R.1 ricardo.suarez-bertoa@jrc.ec.europa.eu, Astorga, C.1 covadonga.astorga-llorens@jrc.ec.europa.eu
Source: Atmospheric Environment. Jul2016, Vol. 136, p134-143. 10p.
Subjects: Plug-in hybrid electric vehicles, Ethanol, Acetaldehyde, Emissions (Air pollution), Gasoline, Transportation industry
Abstract: The number of registrations of light duty hybrid electric vehicles has systematically increased over the last years and it is expected to keep growing. Hence, evaluation of their emissions becomes very important in order to be able to anticipate their impact and share in the total emissions from the transport sector. For that reason the emissions from a Euro 5 compliant hybrid electric vehicle (HV2) and a Euro 5 plug-in hybrid electric vehicle (PHV1) were investigated with special interest on exhaust emissions of ammonia, acetaldehyde and ethanol. Vehicles were tested over the World harmonized Light-duty Test Cycle (WLTC) at 23 and −7 °C using two different commercial fuels E5 and E10 (gasoline containing 5% and 10% vol/vol of ethanol, respectively). PHV1 resulted in lower emissions than HV2 due to the pure electric strategy used by the former. PHV1 and HV2 showed lower regulated emissions than conventional Euro 5 gasoline light duty vehicles. However, emissions of ammonia (2–8 and 6–15 mg km −1 at 22 and −7 °C, respectively), ethanol (0.3–0.8 and 2.6–7.2 mg km −1 at 22 and −7 °C, respectively) and acetaldehyde (∼0.2 and 0.8–2.7 mg km −1 at 22 and −7 °C, respectively) were in the same range of those recently reported for conventional gasoline light duty vehicles. [ABSTRACT FROM AUTHOR]
Copyright of Atmospheric Environment is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 116842488
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Unregulated emissions from light-duty hybrid electric vehicles.
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  Data: <searchLink fieldCode="JN" term="%22Atmospheric+Environment%22">Atmospheric Environment</searchLink>. Jul2016, Vol. 136, p134-143. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Plug-in+hybrid+electric+vehicles%22">Plug-in hybrid electric vehicles</searchLink><br /><searchLink fieldCode="DE" term="%22Ethanol%22">Ethanol</searchLink><br /><searchLink fieldCode="DE" term="%22Acetaldehyde%22">Acetaldehyde</searchLink><br /><searchLink fieldCode="DE" term="%22Emissions+%28Air+pollution%29%22">Emissions (Air pollution)</searchLink><br /><searchLink fieldCode="DE" term="%22Gasoline%22">Gasoline</searchLink><br /><searchLink fieldCode="DE" term="%22Transportation+industry%22">Transportation industry</searchLink>
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  Data: The number of registrations of light duty hybrid electric vehicles has systematically increased over the last years and it is expected to keep growing. Hence, evaluation of their emissions becomes very important in order to be able to anticipate their impact and share in the total emissions from the transport sector. For that reason the emissions from a Euro 5 compliant hybrid electric vehicle (HV2) and a Euro 5 plug-in hybrid electric vehicle (PHV1) were investigated with special interest on exhaust emissions of ammonia, acetaldehyde and ethanol. Vehicles were tested over the World harmonized Light-duty Test Cycle (WLTC) at 23 and −7 °C using two different commercial fuels E5 and E10 (gasoline containing 5% and 10% vol/vol of ethanol, respectively). PHV1 resulted in lower emissions than HV2 due to the pure electric strategy used by the former. PHV1 and HV2 showed lower regulated emissions than conventional Euro 5 gasoline light duty vehicles. However, emissions of ammonia (2–8 and 6–15 mg km −1 at 22 and −7 °C, respectively), ethanol (0.3–0.8 and 2.6–7.2 mg km −1 at 22 and −7 °C, respectively) and acetaldehyde (∼0.2 and 0.8–2.7 mg km −1 at 22 and −7 °C, respectively) were in the same range of those recently reported for conventional gasoline light duty vehicles. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Atmospheric Environment is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.atmosenv.2016.04.021
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      – Code: eng
        Text: English
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        PageCount: 10
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      – SubjectFull: Plug-in hybrid electric vehicles
        Type: general
      – SubjectFull: Ethanol
        Type: general
      – SubjectFull: Acetaldehyde
        Type: general
      – SubjectFull: Emissions (Air pollution)
        Type: general
      – SubjectFull: Gasoline
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              Text: Jul2016
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