What is calorific value of diesel and petrol?

What is calorific value of diesel and petrol?

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Roughly , calorific value of diesel is around 45.5 megajoules per kilogram. But in case of while the calorific value of petrol is around 44.7 megajoules per kilogram. Therefore, the calorific value of diesel fuel is slightly more than that of petrol, because of its more hydrogen to carbon ratio.