Last seen in:
- Thomas Joseph - King Feature Syndicate - Mar 17 2025
- Universal - Jun 13 2022
- Premier Sunday - King Feature Syndicate - Aug 9 2020
- Thomas Joseph - King Feature Syndicate - Jul 22 2019
- Thomas Joseph - King Feature Syndicate - Mar 26 2019
- Thomas Joseph - King Feature Syndicate - Mar 24 2016
- Universal - Dec 14 2014
- New York Times - Jul 31 2013
- New York Times - Mar 20 2011
- New York Times - Jul 22 2008
Related Clues:
- Marsh gas, mostly
- Type of biofuel
- Biofuel choice
- Dangerous buildup in a mine
- Gasohol ingredient
- Gasoline alternative
- A greenhouse gas
- Greenhouse gas
- Swamp gas, essentially
- Environmental summit topic
- Firedamp, for the most part
- Intoxicating agent
- Kind of alcohol found in Athlone
- Kind of alcohol from Athlone
- Drinking alcohol