> I’d guess it’d be obscenely expensive without economies of scale based on current demand and distribution.

Then swap out gasoline for diesel. If nothing else, I can get vegetable oil at the grocery store at a price that isn't too bad.

> As far as “no range anxiety” people in that world would just be making similar arguments, “what if there’s no nearby gas station”, “what if it’s out of gas”, “I can’t just plug-in anywhere” etc.

That's not how (plug-in, and surely these would be plug-in) hybrids work...