Articles | Volume 22, issue 3
Atmos. Chem. Phys., 22, 1615–1631, 2022
https://doi.org/10.5194/acp-22-1615-2022
Atmos. Chem. Phys., 22, 1615–1631, 2022
https://doi.org/10.5194/acp-22-1615-2022
Research article
02 Feb 2022
Research article | 02 Feb 2022

Particle emissions from a modern heavy-duty diesel engine as ice nuclei in immersion freezing mode: a laboratory study on fossil and renewable fuels

Kimmo Korhonen et al.

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Short summary
We investigated the ice-nucleating abilities of particulate emissions from a modern diesel engine using the portable ice-nuclei counter SPIN, a continuous-flow diffusion chamber instrument. Three different fuels were studied without blending, including fossil diesel and two renewable fuels, testing different emission aftertreatment systems and photochemical aging. We found that the diesel emissions were inefficient ice nuclei, and aging had no or little effect on their ice-nucleating abilities.
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