I get it but where is all that Hydro or Wind even going to come from for large scale use or are you only going to do the one car with it?..
Course some pollution will be involved as dams needed for Hydro don't just make themselves, a rather large amount of concrete is required;!
I think sometimes you only see what might be not what is or could be.
I'm not opposed to the concept of an electric car as such in some ways its a very good advance on what's gone before. Electrical transmission to the wheels alleviating the need for clutches and gearboxes etc is good. The Control system can be very reliable 'tho I suspect the makers will see replacements ones as a real cash cow i.e. as they do now for onboard solid state.
The problem even if you do get the perfect battery or capacitor store is still going to be the prime energy source.
You may not have noticed that a few weeks ago there was a very large load on the UK grid the fossil plants were almost flat out the nuclear at full capacity. Hydro makes up only a very small part of that source as does pumped Hydro.
In order for that to become a practical everyday proposition for the same people who can afford a conventional petrol or diesel car then there is going to have to be some very very large changes in the UK power system as indeed the rest of the world.
I wonder what they intend to do in Germany where that Merkel idiot switched of a lot of Nuclear capacity on a silly political whim...
Where is all this "clean" non polluting power going to come from. I don't just mean for the insignificant number of EV's on the road now.
Hydro as a Practical source?. I don't somehow think so...