- Clean and easy-to-use energy to cook and provide lighting: 4 to 6 hours a day

- Time saved on firewood collection

- Savings on coal purchase: up to 800 Yuan (€90) of savings per year and per family, which amounts to 30% of the average annual income.

- Production of a natural and free fertiliser (after completion of the fermentation process)

- Improvement of hygiene and sanitation: construction of toilets connected to the tank

- Improvement of air quality inside the house thanks to the reduction of coal consumption, replaced by biogas

- Each tank cuts the emission into the atmosphere of an average 3.5 tons of CO2 per year due to the fact that every day between 5 kg of coal or 8 kg of firewood are replaced by biogas

- Fight against deforestation