EGR Explained! Do we Need to DELETE the EGR?

A complete explanation of what the EGR is for. How it Lowers COMBUSTION TEMPERATURE. When does the EGR valve Open and Close. Advantages and disadvantages. How it improves Fuel economy. DO WE NEED TO DELETE THE EGR? Gas and Diesel Differences https://youtu.be/nRF4eZc3U5o Diesel Throttle Valve Explained https://youtu.be/oOcmtQSYoxI Do diesel engines need a PCV Valve? https://youtu.be/N5TCxmJPFuU Water Cooled Air Compressor https://youtu.be/qbTVE9-jW6U