One company making the driveteain, another the body and passenger area. We are returning to the age of coach construction a la the 1920s.
https://en.wikipedia.org/wiki/Coachbuilder
Lots of companies have tried this. The concept even has a knickname: the EV skateboard. None have really taken off.
https://www.autoweek.com/news/trucks/a31707688/you-could-bui...