1. Markel T, Simpson A (2006) Cost-benefit analysis of plug-in hybrid electric vehicle technology. In: 22nd international electric vehicle symposium, Yokohama
2. Environmental assessment of plug-in hybrid electric vehicles, vol 1: nationwide greenhouse gas emissions. Electric Power Research Institute (EPRI), Palo Alto, CA, Tech. Rep. 1015325, July 2007
3. Samaras C, Meisterling K (2008) Life cycle assessment of greenhouse gas emissions from plug-in hybrid vehicles: implications for policy. Environ Sci Technol 42(9):3170–3176
4. Karplus V et al (2012) Should a vehicle fuel economy standard be combined with an economy-wide greenhouse gas emissions constraint? Implications for energy and climate policy in the united states. Energy Econ 36: 322–333
5. Miller JM (2009) Energy storage system technology challenges facing strong hybrid, plug-in and battery electric vehicles. In: IEEE vehicle power propulsion dsonference, Dearborn, pp 4–10