(d) CNG (Compressed Natural Gas)
CNG is not obtained from coal. CNG is a fuel which can be used in replacement of diesel, petrol & LPG (liquefied petroleum gas). The burning of CNG creates less toxic gases than the previously mentioned fuels.
- CNG is an odourless, colourless and tasteless compound with non-corrosive and non-toxic properties.
- The primary use in automobiles is as a substitute for gasoline.
- Methane is the main component of CNG.
- It generally produces few greenhouse gases.