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air-injection system
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air-injection system

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characteristics of emission control system

  • In emission control system

    …of systems are used: the air-injection system and the exhaust gas recirculation (EGR) system. In EGR a certain portion of exhaust gases are directed back to the cylinder head, where they are combined with the fuel-air mixture and enter the combustion chamber. The recirculated exhaust gases serve to lower the…

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