Aerosol Research
Aerosol Research
Aerosol Research
Articles | Volume 3, issue 2
Articles | Volume 3, issue 2
https://doi.org/10.5194/ar-3-569-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ar-3-569-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 3, issue 2
Research article
 | 
27 Nov 2025
Research article |  | 27 Nov 2025

Differentiating between Euro 5 gasoline and diesel light-duty engine primary and secondary particle emissions using multivariate statistical analysis of high-resolution mass spectrometry (HRMS) fingerprints

Camille Noblet, Francois Lestremau, Adrien Dermigny, Nicolas Karoski, Claudine Chatellier, Jérôme Beaumont, Yao Liu, Boris Vansevenant, Jean-Luc Besombes, and Alexandre Albinet

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Short summary
Vehicle emissions significantly impact air quality, but distinguishing between gasoline and diesel aerosol sources in the air is still difficult. This study used advanced chemical analysis and statistical methods to discover unique aerosol molecular markers from each vehicle type. By simulating real-world driving and atmospheric ageing, researchers found specific markers for both primary and secondary particle emissions, offering a promising new approach to improve air pollution source tracking.
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