Fuel

Energy content (MJ/kg)

Hydrogen

120

Liquefied natural gas

54.4

Propane

49.6

Aviation gasoline

46.8

Automotive gasoline

46.4

Automotive diesel

45.6

Ethanol

29.6

Methanol

19.7

Coke

27

Wood(dry)

16.2

Begasse

9.6