Electrical cars are imo the biggest hoax of all time. Its even worse for the environment than fossil fuels like petrol as most electricity is still produced in a non-environmental friendly way.
The moment they will run fully on solar power I am convinced, until then its a great new impulse for the automobile industry selling us nonsense that this is green.
Add to this that the earth is still STUFFED with oil it makes no sense not to develop techniques to explore these oil reserves first.
What they should do imo is find ways to make petrol engines extremely economical. Beats me why most car still consume a liter of fuel per 10 - 14 km's while it should be possible to go to 1:25 - 1:40 for just simple petrol..
As much as I hate diesels I'd rather cheer for a Formula TDI series than Formula E based on conventional electricity produced with ueberpoluting charcoales. .