1. European union. COM,2019
2. Sustainable and Smart mobility strategy – putting European transport on track for the European commission. COM (2020) 789 final,2020
3. The Paris agreement,2015
4. External costs in inland waterway transport: an analysis of external cost categories and calculation methods;Hofbauer;Sustainability,2020
5. Central Commission for the navigation of the Rhine. CCNR Annual Report 2023 Inland Navigation in Europe. Market observation. https://www.ccr-zkr.org/13020800-en.html, [accessed 25.September.2023].