Abstract
The aim of this paper was to describe a new energy dependency score methodology and its consequent application to cars sold in twelve regions: Europe (EU-28) and eleven specific countries worldwide (Australia, Brazil, China, India, Japan, Norway, Portugal, Russia, Saudi Arabia, South Africa and USA). This methodology was developed as a potential tool to inform consumers of their choice impact on the country’s economy. This methodology is based on primary energy assessments and origins for each energy pathway associated with a gasoline-, diesel-, natural gas (used for H2 production)- or electricity (balanced with country electricity mix)-powered vehicle. An energy dependency index was attributed to the best-case (100 % endogenous production) and worst-case (0 % endogenous production) scenarios and consequently weighted with vehicle fuel consumption. This enabled obtaining an energy dependency index (10–0). This index could be assigned to an environmental and social index to provide a sustainability index and therefore complement a road vehicle environmental rating system, providing a combined index rating. Internal combustion engine vehicles and hybrid vehicles (that have oil products as energy source) rate the lowest for almost all locations, with the exception of regions that are energy independent (Norway, Saudi Arabia or Russia). Electric vehicles rank higher when comparing to the other technologies analyzed for all locations in this study. The plug-in hybrid electric vehicle shows generally a rank in an intermediate place, except for Japan where it scores lower than all other technologies.
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Abbreviations
- AU:
-
Australia
- BR:
-
Brazil
- BRICS:
-
Acronym for an association of five major emerging economies Brazil, Russia, India, China and South Africa
- CAFC:
-
Corporate average fuel consumption
- CD:
-
Charge depleting
- CH:
-
China
- CO2 :
-
Carbon dioxide
- DGEG:
-
Portuguese Energy and Geology Management Department (Direção Geral de Energia e Geologia)
- CS:
-
Charge sustaining
- ECE:
-
Urban driving cycles
- EDI:
-
Energy dependency index
- EDF:
-
Energy dependency factor
- EPA:
-
United States Environmental Protection Agency
- EU:
-
Europe
- EUDC:
-
Extra urban driving cycle
- EV:
-
Electric vehicle
- FTP:
-
Federal Test Procedure
- FCHEV:
-
Fuel cell hybrid vehicle
- HEV:
-
Hybrid vehicle
- ICCT:
-
International Council on Clean Transportation
- ICEV:
-
Internal combustion engine vehicle
- IN:
-
India
- IUC:
-
Circulation tax in Portugal
- ISV:
-
Vehicle acquisition tax in Portugal
- JC08:
-
Japanese driving cycle for emissions testing
- JP:
-
Japan
- MTOE:
-
Million tonnes of oil equivalent
- NEDC:
-
New European Driving Cycle
- NW:
-
Norway
- OECD:
-
Organization for Economic Co-operation and Development
- OICA:
-
International Organization of Motor Vehicle Manufacturers
- PHEV:
-
Plug-in hybrid vehicle
- PT:
-
Portugal
- RU:
-
Russia
- S.AR:
-
Saudi Arabia
- S.AF:
-
South Africa
- TRIAD:
-
Designation of Europe, Japan and USA used due to their impact in world economy
- USA:
-
United States
- VAT:
-
Value-added tax
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Acknowledgments
Thanks are due to Fundação para a Ciência e Tecnologia (FCT) for the first author Phd financial support (SFRH / BD / 73416 / 2010), the Project “Assessment and development of integrated systems for electric vehicles” (MIT-Pt/EDAM SMS/0030/2008), for the last author FCT investigator development grant Program Investigator FCT IF/00181/2012 and, finally, to the strategic program LAETA-UID/EMS/50022/2013 and IDL-UID/GEO/50019/2013.
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Marques, S., Reis, L., Afonso, J.L. et al. Energy rating methodology for light-duty vehicles: geographical impact. Environ Dev Sustain 18, 1501–1519 (2016). https://doi.org/10.1007/s10668-016-9776-9
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DOI: https://doi.org/10.1007/s10668-016-9776-9