Mixture of methane and CO2 produced by bacterial degradation of organic matter and used as a fuel.

IEA, International Energy Agency, Glossary of term, accessed 27/06/2018.

Source category: International Organisations

Gas, rich in methane, which is produced by the fermentation of animal dung, human sewage or crop residues in an air-tight container. It is used as a fuel to heat stoves, lamps, run small machines and to generate electricity.

EEA, European Environment Agency, Glossary, accessed 15 June 2018.

Source category: Agency Documents