It would be cheaper, easier, and much more desirable for the rental units to provide charging in their parking areas than for the gas stations to do it, though.

It would be cheaper, easier, and much more desirable for the rental units to provide charging in their parking areas than for the gas stations to do it, though. It's just a competition thing. Gas stations will never compete with a 240V outlet. There will never be an EV equivalent of an urban gas station (superchargers for distance travel are a real requirement though).