Technician A says that carbon monoxide (CO) emissions are higher from diesel engines than from gasoline engines. Technician B says that diesel engines produce little or no carbon monoxide gas compared to gasoline engines. Who is correct?

Question

Quizplus · Accepted Answer

Diesel engines produce less carbon monoxide than gasoline engines due to their leaner air-fuel mixture and higher combustion efficiency.

Technician a Says That Carbon Monoxide (CO) Emissions Are Higher