Title: Decomposition of carbon dioxide emission from highway transportation in Tunisia

Authors: Manel Daldoul; Ahlem Dakhlaoui

Addresses: Polytechnic School of Tunisia, LEGI and Faculty of Economics and Management of Tunis, University of Tunis El Manar, Tunis, Tunisia ' Polytechnic School of Tunisia, LEGI and Faculty of Economics and Management of Nabeul, University of Carthage, Tunis, Tunisia

Abstract: We have adopted the Divisia index approach to study the effects of five factors on the total emissions of carbon dioxide (CO₂) arising from highway vehicles in Tunisia during the period ranging from 1980 to 2011. CO₂ emissions have been decomposed into five factors, namely emission coefficient, vehicle fuel intensity, vehicle ownership, population intensity and economic growth. We show that fast-paced economic growth and vehicle ownership have been the most important factors which have participated in the augmentation of CO₂ emissions, while population intensity has contributed significantly to the decrease of emissions.

Keywords: Divisia index; road transport; CO2; carbon dioxide; carbon emissions; Tunisia; vehicle emissions; emission coefficient; vehicle fuel intensity; vehicle ownership; population intensity; economic growth; air pollution; air quality.

DOI: 10.1504/IJGEI.2016.079372

International Journal of Global Energy Issues, 2016 Vol.39 No.6, pp.432 - 443

Accepted: 30 Mar 2016
Published online: 27 Sep 2016 *

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