Meaning of “emission” in the English Dictionary

"emission" in Business English

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uk /ɪˈmɪʃən/ us ENVIRONMENT

[ C, usually plural ] an amount of something, especially a gas that harms the environment, that is sent out into the air:

emissions of sth The bill is intended to lower emissions of greenhouse gases.
cut/reduce/limit emissions Many countries are reluctant to cut emissions if it means sacrificing economic growth.
California's emissions standards would cut global warming emissions nearly 30% by year 2016.

[ U ] the act of sending gas, heat, light, etc. out into the air:

Hybrid vehicles reduce the emission of pollutants by about 20%.

(Definition of “emission” from the Cambridge Business English Dictionary © Cambridge University Press)