Wikipedia says 138,700 BTU/US gallon, so 36,500 BTU/liter
1 ltr produces 10 KWHs.
One gallon of diesel fuel in the UAE equates to about 4.546 litres.
you can go bout 30 miles then u hav to re fuel.
Litres are a measurement of volume while kilos are a measurement of mass, you can't convert one to the other