The powers that be are coming up with some interesting methods of "Road taxation" for the new world order of electric vehicles!
Micro-Billing
With 5G upon us and all new vehicles equipped with V21communications, V2V vehicle to vehicle, V2X Vehicle to everything chips, your car will talk to the roadside furniture /infrastructure as to where you are with Wi-Fi, GPS and will bill you accordingly, the more congested the road is the more you will pay.
They reckon there will be scenarios whereas you can pay additional tolls through the micro-tolling infrastructure to get to your destination quicker through V2V communications, The car pays cars ahead to give right of way through V2I communications, smart traffic lighting systems
on the other hand if you can defer your journey at busy times via a smart phone your vehicle will receive credits