exhaust gas (B1)
noun phrase
Pronunciation: /ɪɡˈzɔːst ɡæs/
Definition
Gases emitted by an engine or other machine, especially a vehicle, as a result of combustion.
Examples
The exhaust gas from the factory's machinery was causing air pollution in the surrounding area.
The car's exhaust gas was tested to ensure it met the emissions standards.
The exhaust gas recirculation system helps to reduce nitrogen oxide emissions from the engine.
How to Use exhaust gas
- exhaust gas recirculation (noun phrase)
- a technology used to reduce nitrogen oxide emissions from engines — "The exhaust gas recirculation system helps to reduce emissions from the engine."
- exhaust gas treatment (noun phrase)
- a process used to remove pollutants from exhaust gas — "The company implemented an exhaust gas treatment system to reduce emissions."
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