Petrol can be saved by:...

Petrol can be saved by:

A

driving at a constant & moderate speed

B

ensuring correct type pressure

C

switching off the engine at traffic lights

D

all of the above

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The correct Answer is:

D

all of the above

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CO2 is stored as a liquid in cylinder at:
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Petrol can be saved by:
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CNG is :
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Kerosene is used in/as:
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