Transport'Hydrogen derivatives will power half of all UK shipping needs by 2050, but pure H2 will not play a role'Batteries will lose out to e-fuels and ammonia in the maritime market, says new report funded by British government-backed researchersAP Moller Maersk design impression of its first green methanol dual-fuel powered vessel feeder container ships. The vessels are on order at Hyundai Mipo Dockyard.Photo: MaerskRachel Parkes