The very concept of "energy independence" for America, parroted by liberals and conservatives alike, amounts to utter delusion. There is not, and will never be, even a rough equivalent to fossil fuels when it comes to powering industrial society in its current form.
So far, the most harmful and immoral manifestation of this delusion is the belief that biofuels and biomass will allow us to continue our journey as it is outlined on the Perpetual Growth itinerary. Developing a biofuel infrastructure to replace our current oil infrastructure would be the equivalent to inviting your car to the dinner table. John Michael Greer offers the best argument I've seen that this is tantamount to sticking your hand in a monkey trap.