Final answer:
The automobile fuel called E85 consists of 85% ethanol and is used in flex-fuel vehicles. Ethanol is blended with gasoline to create different fuel grades.
Step-by-step explanation:
The automobile fuel called E85 consists of 85% ethanol. Ethanol is a type of alcohol that can be used as a fuel for motor vehicles. It is commonly blended with gasoline to create different fuel grades, such as E10, E15, or E85. E85 refers to a fuel blend that contains up to 85% ethanol and can be used in flex-fuel vehicles.