Njengoko umhlaba utshintshela kwizisombululo ezizinzileyo zothutho, imfuno yezithuthi zombane (ii-EVs) iyaqhubeka nokunyuka. Olu tshintsho lwenze isidingo sokusebenza nesithembekileyo sokuhlawulisa i-EV, phakathi kwazo iikhabhathi zokutshaza i-EV zidlala indima ebalulekileyo. Ikhabhinethi yokutshaja i-EV yiyunithi esembindini egcina izikhululo zokutshaja ezininzi, ezivumela ukutshaja kwangaxeshanye kwabaninzi