Pollutant emission gas in vehicle exhaust is mainly Uttar

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Pollutant emission gas in vehicle exhaust is mainly

Uttarakhand P.C.S. (Pre) 2002 44th B.P.S.C. (Pre) 2000

[Energy Sources & Pollution]

A

Carbon dioxide

B

Carbon monoxide

C

Marsh gas

D

Nitrogen oxide

...

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