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Japan seeks to ease radiation fears in shipping.

Two KTH students have completed a master's thesis comparing the carbon footprint of electric hydrofoil ferries to that of traditional diesel ferries. The study shows that the hydrofoil ferries emit 97.5% less carbon dioxide during their life cycle than diesel-powered ones.

Slime build-up is a costly drag on fuel efficiency for ocean-going cargo ships, leading to more emissions and, eventually, higher consumer prices. A recent study, however, suggests a new approach to managing this common problem.