Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants, and cars can run on pure ethanol or a mixture of petrol and ethanol. Given these facts, what can run on alcoholic fermentation of the glucose in corn or other plants among the following options:
- Energy
 - bicycles
 - drink
 - skateboards
 - cars
 - cows
 - rollerskates
 - sugar


 

     cars    