Technician A says blending 10 percent ethanol into gasoline results in an increase of 2.5 to 3 octane points. Technician B says ethanol is highly corrosive and highly toxic. Who is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because blending 10 percent ethanol into gasoline indeed increases the octane rating by about 2.5 to 3 points, which helps in preventing engine knocking. Technician B is incorrect because, while ethanol can be corrosive to certain materials used in older engines and fuel systems, it is not considered highly toxic, especially in the context of its use in fuel blends.

Technician a Says Blending 10 Percent Ethanol into Gasoline Results