Produced by combustion, fine particles emitted by engines can impact human health and the climate. The aviation industry has moved to regulate and reduce emissions of non-volatile particulate matter (nvPM), also known as black carbon, from jet engines by establishing certification standards. In February, the ICAO’s Committee for Aviation Environmental Protection recommended nvPM mass and number standards that will take effect from Jan 1, 2023 for in-production and new-type ...


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