Biofuel option
The crossword clue "Biofuel option" is answered by ETHANOL, a 7-letter entry. Used 11 times across 9 distinct years; most recently in 2025; first recorded in 2008. It appears in 5 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
ETHANOL
7 letters. See every clue for this answer on the ETHANOL answer page.
Used 11 times across 9 distinct years; most recently in 2025; first recorded in 2008. It appears in 5 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
Other clues for ETHANOL
Every other clue in this collection answered by ETHANOL, most used first.
- Grain alcohol - used 12 times, most recently in 2025
- Gasoline additive - used 11 times, most recently in 2026
- Alternative fuel - used 7 times, most recently in 2026
- Gas additive - used 7 times, most recently in 2025
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Optimal option - BESTBET, used 8 times
- Car option - LEASING, used 7 times
- Safest option - BESTBET, used 7 times
- "Let's Make a Deal" option - DOORONE, used 6 times
- Takeout option - CHINESE, used 6 times
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