Three winners of this year’s White House Closing the Circle Awards use a 20 percent biodiesel blend (B20) to help them achieve outstanding environmental track records. They are the Department of Defense, Naval Station Great Lakes; the Department of Energy Green Fleet Team and the U.S. Postal Service. According to a National Biodiesel Board release, 16 winners and 11 honorable mentions were selected from nearly 200 nominations in the areas of environmental management systems; pollution prevention; recycling; green product purchasing; alternative fuels; sustainable building and electronics stewardship.