With cheap oil everywhere, bio-fuels are making less economic sense.
And thus, we start yet another downward cycle in our quest to become energy self reliant. I've witnessed about three of these cycles since the oil embargo of the mid 1970's. Everyone will relax their standards about conserving energy (bigger cars and trucks, etc.). In a few years the supply will dry up, once again, and we will be whining about how dangerous it is to be so dependent on others for energy. We make a few strides forward during each cycle, so all is not lost.
Your comment reflects how short term our memory is. It's just human nature, I guess.
Thanks for the link, Nyogtha. I do research in biofuels and we have noticed the downturn already this year.