Expand the term NEERI.

Expand the term NMPE.

Expand the term ART.

Expand the term ARC.

Expand the term PAR.

Expand the term CNG.

Expand the terms: ELISA.

Expand the terms: HIV.

Expand the term CNG. Why is more eco-friendly than the diesel?

The major pollution in the environment is caused by automobiles. Expand the term CNG. Mention any two of its merits .