
https://wiiw.ac.at/the-emissions-reduction-potential-for-freight-transport-on-a-high-speed-rail-line-along-the-european-silk-road-dlp-6635.pdf

https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef22024en.pdf

https://assets.bbhub.io/professional/sites/24/Energy-Transition-Investment-Trends-Exec-Summary-2022.pdf