Related Clues:
- Certain fossil fuel
- 'Present' in bad kids' Christmas stockings
- Ember
- "Black diamonds"
- Annual sign of bad behavior?
- Grill filler
- Pennsylvania resource
- Fire feeder
- Old-time fossil fuel
- Diesel, e.g.
- Christmas stocking punishment
- West Virginia resource
- Newcastle resource
- ''Add ___ to the fire''
- Gift for a bad boy