Which of the following would be considered to be a type of in-cylinder exhaust emissions reduction?
A) In-cylinder dosing of DEF
B) Selective catalytic reduction (SCR)
C) Exhaust gas recirculation (EGR)
D) Exhaust aftertreatment

Question

Quizplus · Accepted Answer

EGR reduces emissions by recirculating a portion of the exhaust gas back into the engine's cylinders. This helps to lower combustion temperatures and reduce the formation of NOx emissions.

Which of the Following Would Be Considered to Be a Type