| Answer | Crossword Clue |
|---|---|
| FUEL | Coal, oil, wood. |
| KEROSENE | Coal oil |
| FOSSILFUEL | Oil, coal, etc. |
| NATURALRESOURCE | Oil or coal |
| FUELS | Oil and coal |
| FUELS | Coal and oil. |
| FUELS | Coal, gas and oil |
| FUEL | Coal, oil or peat |
| FUELS | Gas, coal, oil, etc. |
| FUELED | Took on coal or oil. |
| FOSSILFUEL | Coal or oil, e.g. |
| ALLFUELSDAY | When coal, gas and oil are delivered? |
| FOSSILFUELS | Combustible organic materials, such as oil and coal, that may be key contributors to global warming: 2 wds. |
