International Energy Agency (IEA) (Ιουνίου 2020). «Global EV Outlook 2020: Enterign the decade of electric drive?». IEA Publications. Ανακτήθηκε στις 15 Ιουνίου 2020.See Statistical annex, pp. 247–252 (See Tables A.1 and A.12). The global stock of plug-in electric passenger vehicles totaled 7.2 million cars at the end of 2019, of which, 47% were on the road in China. The stock of plug-in cars consist of 4.8 million battery electric cars (66.6%) and 2.4 million plug-in hybrids (33.3%). In addition, the stock of light commercial plug-in electric vehicles in use totaled 378 thousand units in 2019, and about half a million electric buses were in circulation, most of which are in China.
«Wayback Machine»(PDF). web.archive.org. 26 Οκτωβρίου 2007. Αρχειοθετήθηκε από το πρωτότυπο στις 26 Οκτωβρίου 2007. Ανακτήθηκε στις 17 Ιουνίου 2020.CS1 maint: Unfit url (link)
