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Emissions from aircraft are strictly regulated by the International Civil Aviation Organization (ICAO). ICAO sets global standards to limit emissions of oxides of nitrogen, particulates and some other air pollutants from aircraft engines.<\/p>
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Most recently, ICAO set particulate emissions standards for aircraft engines in 2019, which have now been adopted into UK law and came into force on 1 January 2023. These were the first scientifically based global certification standards for aircraft particulate emissions.<\/p>
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