That's only true if our goal is to minimize consumption, which I'm not sure is advisable for the majority of roads, especially once we switch to electrical vehi

That's only true if our goal is to minimize consumption, which I'm not sure is advisable for the majority of roads, especially once we switch to electrical vehicles. A subsidized transportation network is pretty effective at encouraging commerce. That being said, I do think there are localized areas where we want to decrease usage. So the future probably involves a combination of tax-free electrical vehicles and substantially more toll roads/congestion-charged zones.