Petrol and Diesel Cars to be Banned by 2040

Is this the end of caravan, with the news diesels and petrol engines cars  will not be available to buy after the year 2040, I cant see electric vehicles having the power to tow large caravans any real distance and what about a motorhome's  does the government realise what they are proposing, and what it will do to the caravan industry I don't think they have thought  this one through can you imagine how big the vehicle would have to be to carry enough  battery's to tow a twin wheel caravan and all that goes with it some of these moterhome's would weigh 5 ton I think a E petition should be set up by the caravan club  so this can be heard in the house of commons and be debated properly they are forcing people of the road these  electric vehicles will not be as cheap as the vehicles you can buy now the mind boggles