What is Biogas? Biogas is a renewable source of energy produced through the anaerobic digestion or fermentation of organic matter such as manure, food waste or green waste by microorganisms in the absence of oxygen. The process creates a gas mixture called biogas, which is combustible and contains approximately 60% methane, along with 40% carbon dioxide and traces of other gases. ... https://prateikcmi.livepositively.com/unleashing-the-power-of-nature-biogas-is-the-way-forward/