That's indeed very useful, and very easy to use. But is it really not possible to do the same with a petrol/diesel car? How many hours of dialysis can be provi

That's indeed very useful, and very easy to use. But is it really not possible to do the same with a petrol/diesel car? How many hours of dialysis can be provided by the EV as opposed to a running petrol/diesel car? And what about a dedicated petrol electricity generator?