Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants, and ethanol is another transportation fuel. Given these facts, what is produced by alcoholic fermentation of glucose in corn among 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    