Hydrogen (compressed 500–700 Ba) |
Chemical |
120–142 |
39 |
rocket engines, automotive engines, grid storage and conversion |
[26,27,28,29] |
Gasoline |
Chemical |
47 |
13 |
automotive engines, power plants |
[26,29,30] |
Propane-butane gas |
Chemical |
45–46 |
13 |
cooking, home heating, automotive engines, lighter fluid |
[26,29,30] |
Heating oil |
Chemical |
40–42 |
11 |
home heating |
[26,29,30] |
Coal |
Chemical |
20–27 |
6–9 |
electric power plants, home heating |
[26,29,30,31] |
Firewood |
Biological |
19 |
6 |
electric power plants, home heating |
[26,29,30,31] |
Pellet |
Biological |
16.5–17.5 |
5–6 |
home heating |
[26,29,30,31] |
Biogas |
Chemical |
16.7–23 |
5–7 |
home heating |
[26,29,30,31] |
Lithium-ion Battery |
Electrochemical |
1.8 |
0.5 |
portable electronic devices, flashlights |
[31] |
Ethanol Fuel (E100) |
Chemical |
26 |
9 |
flex-fuel, racing, stoves, lighting |
[29,30,31] |
Tritium |
Nuclear decay |
583,500 |
162,000 |
electric power plants (nuclear reactors), industrial process heat |
[30] |