Researchers from University of Wisconsin and the Wisconsin Department of Natural Resources visit a grassland bird study site in southwestern Wisconsin. Photo by AERG.
Also known as advanced biofuels?; liquid biofuels made from non-feed, non-food feedstocks. That is, these fuels do not use biomass? that could have been used to feed animals or to provide food for humans.

Researchers from University of Wisconsin and the Wisconsin Department of Natural Resources visit a grassland bird study site in southwestern Wisconsin. Photo by AERG.