ex•haust'-gas recircula"tion

Pronunciation: (ig-zôst'gas"), [key] Auto.
a method of returning part of the exhaust gases to an engine by means of a valve (EGR valve) in order to reduce the combustion temperature, which leads to a reduction in the formation of pollutants. Abbr.: EGR

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

exhaust fanexhausting


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