Related Clues:
- Willing to accept the old man's gas
- Burn something black or grey
- Cleaner sort of fuel is one which can draw well
- Flammable colourless hydrocarbon gas
- Old man lying about gas
- Cleaner fuel creates carbonaceous residue
- Gas liable to overcome father
- Grey colour
- Fuel, clean, with poisonous gas entirely cut
- Art material and fuel
- Black carbon from burnt wood
- Barbecue grill fuel
- Gas for energy brought across hollow in the ground
- Nation not entirely upset, supporting cleaner carbon fuel
- Gas for audible suffering