Canister of renewable natural gas, a fuel made from the anaerobic digestion of organic matter, such as agricultural waste or sewage. It can be used as a substitute for natural gas. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Bulgar, Wladimir |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |