Exhaust gas recirculation
id:
exhaust-gas-recirculation-239-4539794
title:
Exhaust gas recirculation
text:
In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide (NOx) emissions reduction technique used in petrol/gasoline, diesel engines and some hydrogen engines. EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinders. The exhaust gas displaces atmospheric air and reduces O2 in the combustion chamber. Reducing the amount of oxygen reduces the amount of fuel that can burn in the cylinder thereby reducing peak in-cylinder temperatures.
brand slug:
wiki
category slug:
encyclopedia
description:
NOx reduction technique used in gasoline and diesel engines
original url:
https://en.wikipedia.org/wiki/Exhaust_gas_recirculation
date created:
date modified:
2024-04-11T23:21:08Z
main entity:
{"identifier":"Q285028","url":"https://www.wikidata.org/entity/Q285028"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/1/1b/SaabHengine.jpg","width":575,"height":430}
fields total:
13
integrity:
15