EV's may be the future, they may not. One thing is certain, an alternative to ICE vehicles is certain.
As for your unlinked claims, thus opinion, EV's are not really much cheaper to run the ICE vehicles.
Servicing an EV costs 1.6 to 2.3 times more than an ICE vehicle -
ZeroHedge - On a long enough timeline, the survival rate for everyone drops to zero
www.zerohedge.com
And I read an article in the Free Detroit Press of a guy explaining the joys of owning an EV. Can cost up to 4 times to charge than buy petrol or diesel !! It's a good all round read.
In a study of some gas cars released by Anderson Economic Group, it can cost considerably more to drive an EV — until infrastructure improves.
eu.freep.com
EV's are just a stop gap to a much better viable option to replace ICE vehicles.