Transportation of the future should consist of an electric grocery getter for the weekend and mass transit for commuting and other normal travel. I have also seen enclosed mopeds/scooters that are used overseas. I would love to own one of those to get to the train/subway station on rainy days.
We are now seeing that ethanol production is negatively affecting the food industry. Ethanol isn’t the answer until we learn to make it without cutting into food farm production. Biodiesel has the same problems.