I would very much like the dream envisioned in the Back To The Future movies to come true. Although many, many successful experiments have been conducted with biodiesel type fuels, they have a long way to go to see the light of day in significant production.
Besides, farmers will grow what they will get paid for. One crop replaces another as the economy dictates. I am just glad we have not gotten to the Soylent Green reality for fuel yet. Compared to that, ethanol from corn is easily acceptable.