Quantifying transport energy efficiency savings

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dc.contributor.authorDennehy, Emer J.
dc.contributor.authorÓ Gallachóir, Brian P.
dc.contributor.authorHowley, Martin
dc.contributor.funderSustainable Energy Authority of Irelanden
dc.date.accessioned2011-03-28T11:47:08Z
dc.date.available2011-03-28T11:47:08Z
dc.date.issued2010-09
dc.date.updated2011-03-28T10:47:18Z
dc.description.abstractThe importance of quantifying energy savings and improvement in energy efficiency for each sector of the economy is now widely recognized in order to demonstrate progress towards targets and compliance with legal obligations. The focus of this paper is specifically on evaluating energy efficiency in transport using the ODEX methodology. More detailed data has recently become available on transport energy trends and the underlying factors that allow the authors improve the calculation of Ireland’s transport ODEX. Through data mining of administrative databases mileage, volume, age, engine type and size data are available at a disaggregated level for each mode of road transport. In particular this paper examines private car energy efficiency, quantifying the change arising from improved data. There was an overall slight improvement (0.71 percentage points) in the Irish private car ODEX when both proposed changes of using MJ/km as the unit consumption measure and modeling the stock by vintage were applied. The overall effect of the revised transport ODEX calculation does not show a significant increase in energy savings associated with the value of the ODEX indicator (0.82%). However the purpose was to improve the methodology of how the ODEX was being calculated, not necessarily increasing the savings.en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationDennehy, E.J., Ó Gallachóir, B. P., Howley, M., 2010. Quantifying Transport Energy Efficiency Savings. In: Ghosh, B., Murray, R. (eds), Irish Transport Research Network: Proceedings of the inaugural conference of the Irish Transport Research Network (ITRN 2010). Dublin, Ireland 31 Aug - 1 Sep 2010. ITRN: Dublin.en
dc.identifier.urihttps://hdl.handle.net/10468/261
dc.language.isoenen
dc.publisherIrish Transport Research Networken
dc.relation.ispartofIrish Transport Research Network: Proceedings of the inaugural conference of the Irish Transport Research Network (ITRN 2010), University College Dublin, Dublin. 31 Aug - 1 Sep 2010
dc.rights©2010, Emer R. Dennehy, Brian P. Ó Gallachóir, Martin Howley.en
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/en
dc.subjectPrivate caren
dc.subjectODEXen
dc.subjectEnergy efficiencyen
dc.subject.lcshTransportation -- Energy conservationen
dc.subject.lcshEnergy consumptionen
dc.subject.lcshAutomobiles -- Environmental aspectsen
dc.titleQuantifying transport energy efficiency savingsen
dc.typeConference itemen
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