egr-valve

EGR valve

noun Automotive.
Dictionary.com Unabridged

exhaust-gas recirculation

[ig-zawst-gas]
noun Automotive.
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. Abbreviation: EGR
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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