| acetylene | anthracite |
| atomic power | avgas |
| benzol | bio-diesel |
| biofuel | biogas |
| biomass energy | briquette |
| butane | Calor gas (trademark) |
| chemical energy | coal |
| coal gas | Coalite (trademark) |
| coke | derv |
| diesel | electrical power |
| electromagnetic energy | firewood |
| fission energy | fossil fuel |
| four-star petrol | fuel oil |
| fuel rod | fusion energy |
| gas | gasohol |
| gas oil | gasoline |
| geothermal energy | heat |
| hydroelectric power | hydrogen |
| kerosene | kinetic energy |
| leaded petrol | lead replacement petrol (LRP) |
| light | lignite |
| liquefied petroleum gas (LPG) | methane |
| MOX | natural gas |
| nitromethane | nuclear power |
| oil | Orimulsion (trademark) |
| paraffin | peat |
| petrol | petroleum |
| photosynthesis | potential energy |
| producer gas | propane |
| renewable energy | solar energy |
| steam power | Sterno (US trademark) |
| synfuel | tidal power |
| town gas | turf |
| unleaded petrol | water gas |
| water power | wave power |
| whale oil | wind power |