| Answer | Crossword Clue |
|---|---|
| ETHANE | Colorless fuel gas |
| butanes | colorless gas used as fuel |
| butane | colorless gas used as fuel |
| ETHANE | Colorless, odorless gas used as fuel |
| ethane | colorless, odorless, flammable gas used chiefly as a fuel |
| ethanes | colorless, odorless, flammable gas used chiefly as a fuel |
| ethane | a colorless odorless gaseous alkane C2H6 found in natural gas and used as a fuel |
