Technology Firm Freudenberg Wins RINA Approval for Methanol Fuel Cell System 12 September 2022 The company has been awarded approval in principle from RINA for the system, which is set to be the world's first.Author: Capt. Johnhttps://shipandbunker.com/news/world/785862-technology-firm-freudenberg-wins-rina-approval-for-methanol-fuel-cell-system