[[1]] is the full form of CNG.

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Detailed Solution

Compressed natural gas is the full form of CNG.
It is a fuel gas produced from gasoline, mainly composed of methane (CH4), and is compressed to less than 1% of its volume at normal atmospheric pressure. It is usually cylindrical or spherical and is stored and distributed in a rigid container at a pressure of 20-25 MPa (2,900-3,600 psi). The CNG is used in modified conventional gasoline / IC vehicles specially manufactured for CNG. Fuel (bi-fuel). It can be used in place of gasoline (gasoline), diesel fuel, and liquefied petroleum gas (LPG).

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