- gaseous fossil fuel consisting mainly of methane
- natural gas is colourless and odourless.
Methane burnt in excess oxygen → chemical equation written as: → methane + oxygen → carbon dioxide + water →
natural gas considered the cleanest fossil fuel in terms of its impact on the environment.
before natural gas is transported to consumers → it is usually liquified first.
- this conversion from gas to liquid reduces the volume of natural gas by 600 times.
unlike gaseous fuels - liquified natural gas (LNG) - does not burn too easily and is thus safer for consumers. additive like tetrahydrothiophene (THT) → which has pungent smell → uusally added to natural gas.
- smell alerts if gas leak occurs.
can be a source of hydrogen