1. U.S. Energy Information Administration. International energy outlook 2016. [online; accessed 27 June 2017].
2. ASEAN UP. Asean infographics: population, market, economy. [online; accessed 27 June 2017].
3. Organisation Internationale des Constructeurs d’Automobiles (OICA). Vehicles in use. [online; accessed 27 June 2017].
4. IEA Statistics. CO2 emissions from fuel combustion-highlights. IEA, Paris; 2016. .
5. China’s transportation energy consumption and CO2 emissions from a global perspective;Yin;Energy Policy,2015