On the 4th and 5th of September, 2025, TrANsMIT Cost Action workshop was held in Trinity College Dublin, Dublin, Ireland.  The academics, experts, and master’s and Ph. D. students gathered together to focus on the development of the CCUS Open Database, which will be a valuable source for those people studying the process modelling, techno-economic assessment, and life cycle assessment of the Carbon Capture, Utilization, and Storage (CCUS) technologies. On the second day, an excursion was made to the laboratory of the Sustainable Aviation Fuel Research Unit of Trinity College Dublin.