DENNIS SCHROEDER / NREL / US DEPARTMENT OF ENERGY / SCIENCE PHOTO LIBRARY DENNIS SCHROEDER / NREL / US DEPARTMENT OF ENERGY / SCIENCE PHOTO LIBRARY
Algae biofuel research. Test tubes in a lab containing a selection of yellow and green lipid (oil) producing algae strains. Photographed at National Renewable Energy Laboratory (NREL), Colorado, USA.
Model release not required. Property release not required.