If You’re a Fan of Breathing, You?ll Want to Thank These Car Parts

Exhaust Gas Recirculation: EGR redirects a portion of an engine?s inert exhaust gas back into the intake tract to dilute the fresh air that?s fed to the cylinders. This reduces the combustion temperature and the production of nitrogen oxides (NOx). The amount of exhaust sent back into the engine is regulated by either an electronically controlled ...

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