The Aptera looks interesting for that sort of space. You might be able to option it with the lowest battery if you don't care about range and with the largest s

The Aptera looks interesting for that sort of space. You might be able to option it with the lowest battery if you don't care about range and with the largest solar panel option and perhaps never/rarely even need to plug it in. Of course, they have to actually make it to serial production first, but it's a really neat concept if you value efficiency in your transportation.