1. World Bank: Turn down the heat. In Turn Down the Heat: Why a 4 °C Warmer World Must Be Avoided. World Bank: Washington, DC, 2012.
2. IPCC 2014: Climate change 2014: Synthesis report. Contribution of Working Groups I, II and III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Pachaur R.K. and Meyer L.A. eds.; IPCC: Geneva, Switzerland, 2014; p. 151.
3. U.S. Energy Information Agency: Annual Energy Review 2011 (2012). Available at: http://www.eia.gov/totalenergy/data/annual/ (accessed: June 10, 2016 ).
4. National Research Council: Transitions to Alternative Vehicles and Fuels (The National Academies Press, Washington, DC, 2013) doi: 10.17226/18264.
5. Melaina M.W., Heath G., Sandor D., Steward D., Vimmerstedt L., Warner E., and Webster K.W.: Alternative Fuel Infrastructure Expansion: Costs, Resources, Production Capacity, and Retail Availability for Low-Carbon Scenarios. Transportation Energy Futures Series (Prepared for the US. Deptartment of Energy by National Renewable Energy Laboratory, Golden, CO, 2013).