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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / US DEPARTMENT OF ENERGY / NREL / Dennis Schroeder |
Bildgröße: | 5144 px × 3423 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |