Big companies like DuPont are putting serious money into developing "bio fuel" — motor fuel that is processed from the waste of corn stalks. DuPont wants to replace many of the current factories that use oil, with biorefineries like the one they will open later this year, in Loudon, Tenn., that will use corn to manufacter the chemical used for its Sorona carpet fiber. Corn-derived fiber will be cheaper yet still durable. DelawareOnline details many of the advances and challenges for governments and business on our road to energy independence.
