controlled by a suite of microorganisms. The biogas released acts as an environmentally
sustainable energy source, while providing a method for disposal of various wastes. Biogas
contains 50–70% methane and 30–50% carbon dioxide, as well as small amounts of other
gases and typically has a calorific value of 21–24 MJ/m3. Various appliances can be fuelled
by biogas, with stoves offering an application appropriate for deployment in developing …