About: http://webisa.webdatacommons.org/354836092

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I do not think that they will ever be economical as to charge up a tonne of batteries takes too long and uses electricity that itself is produced mostly from fossil fuels.
http://www.w3.org/ns/prov#wasQuotedFrom	theiet.org