What is the function of an egr in an automobile?

Cars & Vehicles

the use of egr in automobile is............... the explanation of egr is "EXHAUST GAS RECIRCULATION" the egr is placed in the exhaust manifold . the outlet gas is taken to egr and recirculate it and sends to engine again pollution can be controlled less amount of gas released no engine power is increased burned gas are repeatedly sent to engine.

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