Fact 1: Biofuel is used to produce electricity by burning.

Fact 2: Biofuels are alcohols, such as ethanol or other chemicals, derived from biomass or living matter.

Given the two facts above, answer the question "What produces electricity by burning?" with the following options: 
- Green beans
 - energy
 - Alcohols
 - Water
 - Most plants
 - Light
 - Sand
 - heat energy


 

   Alcohols      