1. US Department of Energy (2006) Summary report discussion meeting on plug-in hybrid electric vehicles.
http://www1.eere.energy.gov/vehiclesandfuels/pdfs/program/plug-in_summary_rpt.pdf
. Accessed 4 Mar 2010
2. Tesla provides 3-year warranty on its roadster EV.
http://www.teslamotors.com/blog/program-update
. Accessed 12 Mar 2010
3. Battery warranty cost for a 4 kWh lithium battery pack is $1000 for three years.
http://www.enginer.us/technologies/
. Accessed 13 Mar 2010
4. Replacement of battery cost is more than $10,000 on the Chevy Volt EREV.
http://www.technologyreview.com/blog/energy/25483/
. Accessed 10 Mar 2010
5. Burke AF (2007) Batteries and ultracapacitors for electric hybrid and fuel cell vehicles. Proc IEEE 95:806–820