Collect information available on different fuels. Find out the cost per kg. Compare the cost with calorific value. Prepare report on that.
The costs and calorific values of majorly used fuels are as follows:

On comparing the cost of the fuels with their calorific values we can conclude that CNG is a very efficient fuel as it provides the value for money. It has lowest price and a very high calorific value which makes it one of the best fuels. It is also a clean fuel.
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Generated by AI. May contain inaccuracies — always verify with your textbook.