@@foxhound4218Fair .Poor and rich same amount. poor one use low fuel consumption car .Rich one use high fuel consumption car .So less impact to poor one. Higher impact on rich one.
I would suggest to install RFID sticker(or scan number plate) in the car and scanner in petrol pump ,it will detect if the car is belong to a T20 or else,bcos a richman can also own a cheap car vice versa
Base on road tax can tax on expensive motorbikes The value higher then 10k motorbike road tax will pay 1000 and above! Why insurance can insure base on value, and road tax can not?