"DuPont and NREL to develop world's first integrated 'bio-refinery'WILMINGTON, Del. and GOLDEN, Colo., Oct. 6, 2003 DuPont and the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) today announced a joint research agreement leading toward the development of the world's first integrated bio-refinery that uses corn or other renewable resources rather than traditional petrochem" . . . .