The biggest agricultural trader in the world turns to an old-tech solution as commercial shipping looks for ways to clean up its act.
-- The world’s largest agricultural trader hauls 225 million tons of cargo around the globe each year on hundreds of colossal vessels. Now one of those ships is being powered, in part, by wind.
If more operators and shipowners find ways to tap renewable sources like wind to propel their mammoth fleets, the notoriously dirty shipping sector could be on course to clean up its act. The industry spews as much carbon dioxide into the atmosphere each year as 283 coal-fired power plants, according to the latest greenhouse gas study from shipping’s global regulator, the International Maritime Organization.
Still, quantifying precisely how big a dent wind-assisted propulsion will make in future emissions isn’t easy: Performance depends on a ship’s route, how many sails are installed and, of course, the wind. Dieleman says he isn’t expecting the Pyxis Ocean, which is owned by Mitsubishi Corp.’s shipping arm and currently en route to Brazil, to make a return on investment for between seven and 10 years, if ever — it is, after all, a prototype.
“This decade, energy efficiency is the most important thing to do to your fleet,” said Claus Graugaard, chief technology officer at the Maersk Mc-Kinney Moller Center for Zero Carbon Shipping, a nonprofit.On an average route, each WindWing sail can save 1.5 tons of oil-derived fuel per day, according to designer BAR Technologies
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