Renewable Fuel, Widely Used in Vehicles in Brazil
Puzzle 9 of Energy Sources Hard Pack
Question is: Renewable Fuel, Widely Used in Vehicles in Brazil
and the answer is: ETHANOL
Word Meaning:
ETHANOL — (organic chemistry) A simple aliphatic alcohol formally derived from ethane by replacing one hydrogen atom with a hydroxyl group: CH₃-CH₂-OH.
Definitions from Wiktionary.