I might want a car with 300 miles charge for vacations, but most of the time be making trips to the grocery store. The grid might only dip into my car's battery for a 15-30 minutes at a time to prevent brown-outs while power plants spin up.
There are plenty of scenarios where the EV makes more sense than a dedicated battery for it.
There are plenty of scenarios where the EV makes more sense than a dedicated battery for it.