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Quiz: What is the significance of the exhaust gas recirculation (E

March 25, 2025 by Alex Turner

What is the significance of the exhaust gas recirculation (EGR) system in an engine?

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A) It reduces nitrogen oxide (NOx) emissions by recirculating a portion of the engine’s exhaust back into the intake.

B) It increases engine power by allowing more air to enter the combustion chamber.

C) It improves fuel efficiency by reducing the overall weight of the vehicle.

D) It enhances the engine’s sound quality by modifying exhaust flow.

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