Multiple choice

Consider the following facts:

  1. Bioethanol is an alcohol made by fermentation, mostly from carbohydrates produced in sugar or starch crops such as corn or sugarcane.
  2. Ethanol can be used as a fuel for vehicles as an additive to gasoline and not in its pure form.

Which of the above statements is/are true?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Ethanol can be used as a fuel for vehicles in its pure form, but it is usually used as a gasoline additive to increase octane and improve vehicle emissions. Bioethanol is widely used in USA and in Brazil.