Natural Gas is a fossil fuel, burning much cleaner than the more generally-known fuels such as Coal, Diesel, Petrol, Paraffin, HFO (Heavy Fuel Oil) and LPG (Liquid Petroleum Gas). Natural Gas is extracted from underground wells as methane rich gas, that is non-toxic, colourless, odourless and needs no or only minimal refining to be used by end consumers.

The composition of natural gas is primarily methane, with small amounts of larger hydrocarbon molecules such as ethane (C2H6), propane (C3H8) and butane (C4H10). Small amounts of carbon dioxide and nitrogen are often present. Natural Gas is found deep underground and is extracted through wells drilled to the Natural Gas deposits. Natural Gas can be transported in a gas form through pipelines, in a compressed form, known as CNG (Compressed Natural Gas), in high pressure cylinders or in a liquid form at -163֯C known as LNG (Liquefied Natural Gas) in cryogenic tanks.

Under normal temperatures, natural gas only burns when ignited by an external source and when mixed with a gas-air mixture of between 5% and 15%.

Methane: 4 hydrogen atoms to 1 carbon atom

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