What is CNG?

Compressed Natural Gas also well known as CNG is auto fuel in a Gaseous state. It is economical and one of the preferred alternative fuel sources for vehicles today. It is pollution free and is a clean burning fuel. Mainly comprising of Methane (80% to 90%) it is low density and is compressed up to 200 bar pressure so that it can be stored in a larger capacity in the fuel tank. Hence, it is named Compressed Natural Gas. It is colourless, odourless, non-toxic and non-carcinogenic. Also, it is lighter than air.

This natural gas is mixed with an odorant to add flavour similar to the odour of LPG from a domestic cylinder so as to facilitate detection of its leakage.