The combination of a small biogas digester bag, several biogas backpacks and biogas stoves replaces firewood and charcoal for cooking. Not only the technology, but rather the approach of (B)energy ...
From biogas fuel to solar cookers, firewood, coal and cowdung cake cookstoves, people are adopting innovative ways to cook ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results