Energy content
of fuels
|
Fuel |
Energy Content MJ/kg |
Energy Density MJ/m^3 |
|
U-235 in Fission
Reactor |
88,250,00 |
1,500,000,000 |
|
Hydrogen (STP) |
114.0 |
10 |
|
Hydrogen (liquid,
with tank) |
10 |
10 |
|
Hydrogen
(compressed gas, with tank) |
5 |
5.6 |
|
LPG Propane |
49.6 |
25.3 |
|
Gasoline |
46.9 |
34.6 |
|
Diesel |
45.8 |
38.7 |
|
Plastic
(polyethylene) |
42.2 |
42.6 |
|
Crude Oil |
42.0-43.0 |
37 |
|
Plant Oil
(Bio-Diesel) |
38-42 |
~33 |
|
Butter |
30 |
27 |
|
Ethanol |
29.6 |
22 |
|
Coal |
22-32 |
~72 |
|
Natural Gas (STP) |
20.0 |
0.03 |
|
Cereal Grains,
Bread |
~15 |
~26 |
|
Air Dried Wood |
12-15 |
2-3 |
|
Straw, dung |
12-15 |
2-3 |
|
Meat |
5-10 |
5-10 |
|
Potatoes |
4 |
6.4 |
|
Beer |
1.8 |
1.8 |
|
Carbon Fiber
Flywheel |
0.8 |
0.1 |
|
Fruit and
Vegetables |
0.6-1.8 |
0.6-1.8 |
|
Lithium Batteries |
0.5-2.5 |
1.0 |
|
Compressed air,
with tank |
0.1 |
0.1 |
|
Lead Batteries |
0.1 |
0.15 |
Table
6.1 Energy content per weight and per volume for various substances [1].

