(IMAGE)

Goethe University Frankfurt

Caption

Lubrication oil in the hot exhaust plume of an aircraft engine can form ultrafine particles as soon as the plume cools down. This has now been corroborated in a study by Goethe University Frankfurt and the Hessian Agency for Nature Conservation, Environment and Geology.

Credit

Alexander Vogel, Goethe University Frankfurt

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To be used only when reporting on research results of Goethe University Frankfurt, Germany, Always give credit to: Alexander Vogel, Goethe University Frankfurt

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