fuel.
- Answer JET
- Answer COAL
- Answer COKE
- Answer ENERGY
- Answer ETHANE
- Answer GAS
- Answer GASOLINE
- Answer OIL
- Answer PEACOAL
- Answer PEAT
- Answer STOKE
- Answer STOKEUP
- Answer CELL
- Answer FIREWOOD
- Answer KEROSENE
- Answer LOGS
- Answer NATURALGAS
- Answer PETROL
- Answer SOFTCOAL