While the F150 runs on Gas and can recharge - not sure I’d want to plug the Tesla into the house to run the AC and Fridge. If the power is out, no gas pumps run, no way to recharge the Tesla - do you really want to drain the battery and brick the truck? Better off getting a separate gas or...
You should account for the fact that fewer manufacturers will even produce ICE vehicles after 2035 and that environmental regulation will soon phase gas out of existence.