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Fuel is a substance which is used to produce heat energy through chemical reaction. without it , today no machine is going to be work. All are depend on this to run. Even from a small screw to a big generator there is a need of it.
But today we are facing  a severe fuel crisis.
           In our day to day life , it is also a basic need of us. Due to its lackness most countries have to import fuel   to meet their needs by spending high  amounts today.
Fuel like petrol and diesel are also not clean fuels.
They cause air pollution. and increase CO2 emissions. so we should stop using the fuel with is the cause of high global warming.

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