What next... electric cars capable of towing

Well, they've hidden it from me then 

It just seems we have more money as the difference with OOP North is with our deep pockets we have evolved to have arms long enough to reach into them

As a couple whose non towing car does about 1500 miles a year I can't say that the I3 really appeals

It’s not £35k (£3.5k government subsidy) and there are excellent second hand ones. I will probably keep it 10 years plus so it’s not a bad investment. No tax, 160 to the gallon equivalent. You need to look at the whole picture.

Yes, but what can the i3 tow ?

and how much do the batteries cost to replace ?

doubt they will last 10 years plus.

and is there enough lithium in the world...and where is it?

Depends on your expected mileage and usage. 

Perhaps pulling a caravan with a horse 🐴 ......will make a comeback .😘

The batteries cost a small fortune at the moment, although this should be lower as time goes on.

Tesla guarantee them for 10 years but I do not know the terms. For other makes you would have to check before buying.

The cost of the electricity used is far less than for petrol or diesel though which has to be offset against the cost of the batteries.

BMW guarantee the batteries for 8 years, they are modular, I've said previously imagine a pack of dominoes laid in a rectangle on the chassis. The ideas being developed are that "cells" can be individually replaced. EVs are a completely different in design and construction. You have to leave behind the combustion engine concept.

The cost of the electricity used is far less than for petrol or diesel though which has to be offset against the cost of the batteries.
 

Depending on annual mileage