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2. Belfcenter, Carbon Emissions Report 2015; Available online: 〈http://belfercenter.ksg.harvard.edu/files/carbon-emissions-report-2015-final.pdf〉.
3. European Environment Agency (EEA), Explaining road transport emissions Report 2016; Available online: 〈http://www.eea.europa.eu/publications/explaining-road-transport-emissions〉.
4. ] Ministry of the Ecology, Sustainable Development and Energy (MEDDE), Energy keys number 2016, Energetic conjecture 2016, Transportation keys number 2016; Available online: 〈www.developpement-durable.gouv.fr/〉.
5. Ministry of the Ecology, Sustainable Development and Energy (MEDDE), Energy keys number 2016, Energetic conjecture 2016, Transportation keys number 2016; Available online: 〈www.developpement-durable.gouv.fr/〉.