Because it is a natural source and does not contain harmful gases.
CNG(compressed natural gas) bio gas
The term CNG stands for Compressed Natural Gas. This is compressed by special compressors for use in automobiles, household and other less-polluting substitute fuel applications in industry.
gobar gas plant kaise kaam karta hai hindi me
Instead of using LPG gas we can use gobar gas to cook
There is no chlorine in gobar gas or bio gas. The gases present are methane, carbon dioxide, nitrogen, hydrogen and hydrogen sulphide
You will get all the details here: http://www.acres-wild.com/Gobar%20Gas.shtml
CNG is natural gas. CNG stands for Compressed Natural Gas, as opposed to the more refined LPG - Liquid Propane Gas.
CNG is exactly the same fuel as natural gas, since CNG stands for "compressed natural gas".
CNG is compressed natural gas
CNG is a readily available alternative to gasoline that's made by compressing natural gas to less than 1% of its volume at standard atmospheric pressure.
Amount of co2 in biogas (gober gas) us only4-5%
cng stands for compressed natural gas.