Earlier quoted context omitted.
> etc. That "etc." hides "moving the heaviest, most flammable and non-extinguishable part of the drivetrain into a primary crumple zone in front of you" pretty neatly. :D
On the opposite side of something that's long been called a "Firewall" for a reason.
Plus, as I noted in the weight part, an engine in a compartment is designed to detach and slide down to protect the cell. Can every retrofitter guarantee the same thing for their battery packs?