Diesel engines emit less HC, CO, and CO₂ than spark ignition gasoline engines.

Name: Diesel engines emit less HC, CO, and CO 2 than spark ignition gasoline engines.
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Question

Quizplus · Accepted Answer

Diesel engines operate with a leaner air-fuel mixture and higher combustion temperatures, leading to more complete combustion and thus lower emissions of hydrocarbons (HC), carbon monoxide (CO), and particulate matter (compared to spark ignition gasoline engines).

Diesel Engines Emit Less HC, CO, and CO2 Than Spark

Diesel Engines Emit Less HC, CO, and CO₂ Than Spark