Small-scale biogas digester under evaluation at a research centre near Madras,India. Animal manure is placed in the digester where it decomposes and gives off methane gas which can be used as fuel for cooking | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / PROF. DAVID HALL |
Taille de l’image : | 5070 px × 3543 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |