From that article: "If the pilot proves effective, it is estimated that at least 40% of the fleet will be able to use the technology, which would result in a r

From that article: "If the pilot proves effective, it is estimated that at least 40% of the fleet will be able to use the technology, which would result in a reduction of almost 1.5% of Vale’s annual iron ore maritime transport emissions.” Well, that's a step in the right direction so something to be applauded. But taken alone, an emissions reduction of "almost 1.5%" isn't going to save the planet.