A boy walks down the middle of a busy street in a small country town in Ethiopia, carrying an enormous backpack. He doesn’t fold under its weight because this special backpack is filled with biogas.

The Communist Party daily Granma has reported that a Cuban farmer has devised a method for packaging biogas in plastic bags to facilitate domestic use of the fuel. "Although it's just an isolated ...

German social enterprise B-Energy has developed portable “digester” bags that produce methane gas out of food waste or animal droppings, which can help low-income entrepreneurs in the global South ...

B-Energy, a social business with a footprint in rural Africa, Asia and Latin America, is providing Ethiopians with backpacks to produce biogas for cooking. Locals who have bought into the concept have ...

The idea could allow villagers to invest in expensive machines that turn manure into energy–and share the results. Millions of rural villagers around the world still cook with wood and charcoal, with ...

B-Energy has developed balloon rucksacks to allow people to deliver its biogas Inside a large ramshackle shed a struck match is held to the end of a metal pipe, and a faint blue flame springs into ...