Id also be happy w only two burner cooker and Deep sink to wash dishes.
Double pane windows and enough rigid insulation everywhere to make genuine 4 season rig would be great.
Espar diesel for heating.
On contruction side,make it at least as strong and durable like all school buses.
Even better would be body made of some strong unbreakable material in case of some tree branches or large hail comes down.
Could Hemp plastic be the answer?
https://youtu.be/srgE6Tzi3LgAlso why cant anyone make an RV bit more streamlined aerodynamic nowadays to improve mpg,when back then buses were smooth round,awesome looking
57 Flxible
https://youtu.be/KipEWECwjx8GMC futureliner
First RV maker builds something like this,preferably with hybrid electric 4x4 drivetrain will get my money..
Now maybe someone should PRINT this tread and send it to all RV builders..
;)