Related Clues:
- Gas log fuel
- Crude component
- A fuel gas
- A greenhouse gas
- Charcoal alternative
- Greenhouse gas
- Hydrocarbon with two carbons
- Swamp gas, essentially
- Firedamp, for the most part
- Flammable 52 Down
- Alkane used as fuel
- Seems that it's myself that used to be entitled to be in Scotland - great gas!
- Such gas that 'e could get over an old nobleman
- Me? A noble old Scotsman and a fiery old gasbag
- Gaseous hydrocarbon