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Ferry electrification replaces diesel engines with battery-powered propulsion, —cuttingcutcutsto cutting noise and eliminating exhaust emissions on short coastal crossings. Because ferries follow fixed, repetitive routes, operators can install charging points at each terminal, —topping uptop uptopped uptops up the batteries during loading and unloading. The main obstacle remains —upfrontforefrontupmostfrontal cost, since large marine batteries are still expensive to manufacture.