Leave it to the wizards at Audi: Audi’s involvement in the development of sustainable, CO2-based fuels – Audi e-fuels – is without parallel. Audi is demonstrating today that it is possible to produce petroleum-independent fuels that bind as much CO2 during their production as is emitted when they are combusted. The result is a closed CO2 cycle – a foundation for sustainable mobility with uncompromising range.

https://www.audi-mediacenter.com/en/press-releases/audi-advances-e-fuels-technology-new-e-benzin-fuel-being-tested-9912