Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 25, issue 16
Articles | Volume 25, issue 16
https://doi.org/10.5194/acp-25-9113-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-25-9113-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 16
Research article
 | 
21 Aug 2025
Research article |  | 21 Aug 2025

On-road vehicle emissions measurements show a significant reduction in black carbon and nitrogen oxide emissions in Euro 6c and 6d diesel-powered cars

Irena Ježek Brecelj, Asta Gregorič, Lucijan Zgonik, Tjaša Rutar, Matic Ivančič, Bálint Alföldy, Griša Močnik, and Martin Rigler

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Short summary
Following a major car industry scandal involving diesel emissions tests, the European Union (EU) introduced new testing procedures. However, concerns remained about their effectiveness. Our independent study examined real-world vehicle emissions and revealed encouraging findings: modern diesel cars perform as well as, or even better than, gasoline cars in terms of nitrogen oxide emissions. We found the same pattern for soot particles, challenging common perceptions about diesel's environmental impact.
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