How very French, the WEC will be powered by wine. Total set to provide 100% renewable fuels for all entries from 2022.
"The new fuel, named “Excellium Racing 100,” is produced from bioethanol made from wine residues from the French agricultural industry and ETBE (Ethyl Tertio Butyl Ether) produced at a refinery near Lyon, France."
https://racer.com/2021/08/20/wec-to-...class-delayed/