Noun
EGR (uncountable)
Acronym of exhaust gas recirculation.
The exhaust is, however, relatively low in NOx emissions, as combustion temperatures are lower than in other engines, and also because of some inherent exhaust gas recirculation (EGR) in early engines. Source: Internet
By identifying the temperature of recirculated exhaust gas, EGR can be performed more effectively. Source: Internet
I thought we were converting to coal-fueled cars, yet these bureaucrats, all they care about is my EGR flow. Source: Internet
This is a Euro 5 compliant engine with an EGR system. Source: Internet