[mrfusion]

I'm not seeing it. That seems like a lot of doors to build.

[cynix]

Or one big door for the entire side of the bus…

[Cthulhu_]

Either way it'd be a lot heavier than the one, two or three doors that buses have these days. But then, weight probably won't be that big of a factor given how it'd need to have a floor full of batteries anyway.