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Methane gas is a form of greenhouse gas that is over 20 times more effective than carbon dioxide in trapping heat in the atmosphere. Methane gas can remain in the atmosphere for about 9 to 15 years. Methane is emitted from a number of natural and human-influenced sources.ethane gas is a form of greenhouse gas that is over 20 times more effective than carbon dioxide in trapping heat in the atmosphere. Methane gas can remain in the atmosphere for about 9 to 15 years. Methane is emitted from a number of natural and human-influenced sources.
What is Biomethane. Biomethane is a naturally occurring gas which is produced during breakdown of organic matter such as dead plants and animals, animal waste, kitchen waste, sewage, etc..Chemically, it is identical to natural gas but unlike the latter, biomethane is produced from organic waste material in biogas plants.Since it is chemically identical to natural gas, biomethane has the same applications as natural gas including space and water heating, fuel and electricity generation.hat is Biomethane. Biomethane is a naturally occurring gas which is produced during breakdown of organic matter such as dead plants and animals, animal waste, kitchen waste, sewage, etc..