people might like the idea of battery swapping. To him, it's not unlike buying a propane-fueled grill and purchasing a refilled tank every so often. But it would require a rethinking of car ownership.

it's going to struggle with a fully depleted battery—it's best suited for one that's at 50% or more, like in a car you park for part of the year. The big advantage is you only pay for it once ...

The problem is that you may experience the ultimate mood killer in this situation, which is your car not starting because the battery died from being idle for too long. There's a simple solution ...