
https://www.occrp.org/en/investigations/the-quiet-man-in-stockholm-who-laundered-chinas-oil-money-for-iran

https://www.globalwitness.org/en/campaigns/stop-russian-oil/shell-vitol-bring-russian-origin-diesel-europe-despite-swearing-russian-oil/

https://wiiw.ac.at/eu-industrial-policy-in-the-evolving-geo-political-and-geo-economic-environment-dlp-7342.pdf