as the rule book says a battery has to be vented properly.if the battery is inside the vehical then the only way it can vent properly is if it is in a sealed compartment and vented to outside the car and not allowing any gas inside the vehical
some batteries have a vent port, if some plastic/nylon/whatever tubing was attached to the port, and the other end passed thru the vehicles body to the outside, will that suffice?
I figure once there's something going through the vehicle to the outside then that should be enough. So long as there's an opening from the battery to the outside of the vehicle. That's the way I interpreted it.
