Switchgrass fuel pellets. Assortment of pellets, cubes and round briquettes made from compressed switchgrass (Panicum virgatum). These pellets are burned in pellet stoves and used to heat homes and businesses instead of fuel oil. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Greb, Peggy / US Department of Agriculture |
Taille de l’image : | 2500 px × 3693 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |