Fact 1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants.

Fact 2: Ethanol is another transportation fuel.

Given the two facts above, answer the question "What is produced by alcoholic fermentation of glucose in corn?" with the following options: 
- peachleaf willow
 - A compound that donates proton
 - A cleaning fluid
 - A source of electricity
 - A transportation fuel
 - Organic compounds
 - A yeast
 - Chemical energy


 

     A transportation fuel    