Formula E is mostly street circuits, so there's a limit to what can be done in terms of inductive charging.
FWIW:
> The next regulation progression – scheduled for season three - will see manufacturers extend their efforts to the batteries, with the objective being the use of a single car per driver during races from the fifth season.
FWIW:
> The next regulation progression – scheduled for season three - will see manufacturers extend their efforts to the batteries, with the objective being the use of a single car per driver during races from the fifth season.