Iowa corn farmers always have a bunch of junk lying around after every harvest — corn cobs, stalks and leaves. California, meantime, was in dire need of the type of non-food-based fuel that can be squeezed out of those corn leftovers. Read more
It’s been the Holy Grail of biofuels for decades, a will-o-the-wisp, always promising great things over the horizon. But it finally seems to have arrived. Cellulosic ethanol, capable of recycling crop wastes into fuel, may be here.