Second is a real possibility during the next 20-30 years. First and third are significantly more doubtful. Even assuming all three come in place soon, I don't

Second is a real possibility during the next 20-30 years. First and third are significantly more doubtful. Even assuming all three come in place soon, I don't understand how they'll fix public choice. If anything, at least autonomous electric vehicles will be a boon on private enterprise, which I don't think is what you had in mind.