＜ENG-SUB＞ EGR (Exhaust Gas Recirculation) SYSTEM_ HOW IT WORKS

This video is explaining about EGR (Exhaust Gas Recirculation), which is one of the engine technologies in cars. EGR is a system that recycles the engine's exhaust gas, and we explain its mechanism and advantages and disadvantages. We also touch upon its relationship with fuel efficiency. Furthermore, we discuss the differences between EGR in gasoline engines and diesel engines and introduce its effects and impacts.