Alternatively, go back to what we used to have a couple of decades ago: market pressure. Sell E15 blends and non-blends separately, with the car driver deciding which one he or she wants to put in their car. Just like we used to have leaded and unleaded gasoline for a time.
That permits a transition without force.
Harry Belafonte doesn't like transitions that don't require force.
He prefers for Ubama to act like a "third-world dictator."
His words.
This is how they will get rid of your older engines.....not make fuels that they can use.