LIVERMORE, Calif., Oct. 27, 2025 (GLOBE NEWSWIRE) -- Advent Technologies Holdings, Inc. (NASDAQ: ADN), through its wholly owned subsidiary Advent Technologies S.A., is pleased to announce its official collaboration with Arxicon, a leading Greek engineering and project management firm, for the development of its master plan for the RHyno Project. The RHyno Project officially commenced on April 1, 2025, and is funded by the EU Innovation Fund. It involves the development and construction of the facility and k ...