1. ___. Obama Administration Takes Major Step toward Advanced Vehicles with New Fleet Management Practices and Launch of First Federal Electric Vehicle Pilot. Council on Environmental QualityPress Release. May 24, 2011. http://www.whitehouse.gov/administration/eop/ceq/Press_Releases/May_24_2011.
2. Tweed K. China's Latest Mandate: 30% of Government CarsNeed to Be Electric or Use Alternative Fuel. July 14, 2014. http://www.greentechmedia.com/articles/read/china-calls-for-30-of-government-cars-to-use-alternative-fuel.
3. Batson, Bob. P.E.EVATechnical Papers.Electric Vehicles of America, Inc. p. 14.
4. Build Your OwnElectric Vehicle;Leitman,2009
5. Elektrifikasi Sektor Transportasi Sebagai Solusi Kemandirian dan Ketahanan Energi. P2 Telimek–LIPI;Hapid,2012