Tallink's shuttle ships on the Tallinn–Helsinki route are making a big leap towards using cleaner fuel, soon to be fully powered by renewable energy. In January, 74% of the fuel used by Megastar and MyStar was liquefied biomethane (LBM). The company aims to replace its entire LNG demand with liquefied biomethane in the near future.'The Megastar and MyStar, which operate with the busiest schedule between Tallinn and Helsinki…