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exhaust-gas recirculation

American  
[ig-zawst-gas] / ɪgˈzɔstˌgæs /

noun

Automotive.

  1. 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. EGR

Example Sentences

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Daimler said improvements in engine technology include optimizations of turbocharging, fuel injection and intercooling, as well as the application of new materials which help extend exhaust-gas recirculation treatments at lower operating temperatures.

From Reuters

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.