Sustainability and Environment
Study Shows SAF Offers More Than Just CO2 Emissions Savings
Researchers found SAF usage generates fewer ultrafine particles than regular jet fuel
Engine on SAS airliner in flight
An international study involving German researchers, a Scandinavian airline, and a Danish airport demonstrated that the use of sustainable aviation fuel can lower ultrafine particle emissions—one of the causes of contrails—in addition to lowering lifecycle carbon emissions. (Photo: SAS)

A new study conducted by the DLR—the German Aerospace Center—shows that the use of bio-based sustainable aviation fuel (SAF) reduces not only lifecycle carbon emissions but also ultrafine particle emissions that can lead to health problems.

In a recent month-long experiment, the researchers measured the emissions from SAS-operated A320Neos fueled on a blend of 34 percent SAF while they taxied from the runway to a gate at Copenhagen Airport. From a mobile laboratory set up at the gate, advanced sensing equipment was used to take measurements several times a day.

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