Enter a clue or pattern or both:
The Clue
Fuel derivable from biomass (7 letter answer)
The Answer
BUTANOL
Tags
Notes
The answer BUTANOL is so rare that it appears less than once every 2500 puzzles.
Definition
BUTANOL as a noun:
1. (butyl alcohol, butanol) = a flammable alcohol derived from butanes and used for solvents