| Answer | Crossword Clue |
|---|---|
| COAL | Type of fuel |
| KEROSENE | Type of fuel |
| POWERGAS | Type of fuel. |
| OIL | Type of fuel. |
| PEAT | Type of fuel. |
| ETHANE | Type of fuel |
| DIESEL | Type of fuel |
| BUTANE | Type of lighter fuel |
| ACETOL | Type of motor fuel |
| DIESEL | Fuel type |
| GAS | Fuel type |
| HITEST | Fuel type, informally |
