Energy transition and decarbonizationHydrogen Review Meeting O2Free Dissemination Manager December 2, 2021September 19, 2023 News Review Meeting O2Free On the 23rd and 24th November, the O2Free project consortium finally had the opportunity to meet face-to-face and discuss technical matters.In addition, the consortium was able to visit the facilities of Sonaca, a member of O2Free. A very interesting and rewarding visit.