CNG stands for

ACompressed natural gasoline

BCompressed natural gas ✓ Correct

CCondensed natural gas

DCompact natural gas

Correct answer: (B) Compressed natural gas

Explanation

CNG stands for compressed natural gas, natural gas stored under high pressure for use as fuel.

Compressed natural gasoline is not the term, as gasoline is a liquid petrol fraction.

Condensed natural gas confuses it with liquefied forms and is incorrect.

Compact natural gas is not a real expansion of the abbreviation.

CNG is mostly methane and burns cleaner than petrol or diesel.

It is widely used in buses and autos to cut urban air pollution.

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