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Not far from Norway’s North Sea oil rigs, shipbuilders are assembling some of the first ferry boats ever to be powered entirely by batteries. For years, the yard, nestled against the deep-blue sea waters and snow-clad mountains of the country’s deepest fjord, mostly made fuel-guzzling boats for the oil industry. But orders vanished as crude slumped in recent years. Now, like other Norwegian industries, its future prosperity depends on going green. “If you look at the next five years, this is what we’ll be doing,” said Erlend Hatleberg, a project manager at Havyard Group ASA, which runs the Sognefjord shipyard that’s switched to specialising in boats with battery technology similar to plug-in cars. While progress in electrifying the world’s excessively polluting shipping fleets is miles behind advances in automobiles, Europe is making initial strides as Paris Climate Accord goals to cut carbon dioxide emissions loom large. Dozens of battery-powered boats that can move through inland waterways in Norway, Belgium and the Netherlands are about to make their first voyages, including some able to run fully automatically without a crew. Nowhere is this push more prevalent than Norway, a country where almost all electricity produced is hydropower, the state oil company is expanding into offshore wind farming and people drive more electric cars, per capita, than any country in the world. Next up, Norway wants two-thirds of all boats carrying both passengers and cars along its jagged and windy Atlantic coastline to be electrified by 2030. Havyard is filling 13 orders for zero-emission ferries received since 2016. Zooming out, though, the progress may be a drop in the bucket. To really slash maritime pollution would require the 50,000 tankers, freighters and carriers traversing the oceans to switch to renewable energy.
The largest use diesel engines as big as a four-storey house, with emissions comparable to 64,000 passenger cars.Without big changes, the International Council on Clean Transportation warns sea transport could be responsible for 17 percent of CO2 emissions by 2050, up from 2-3 percent now. But shipping was omitted from the Paris deal and battery technologies haven’t evolved enough for long ocean voyages, according to the International Maritime Organisation, which is set to reveal in April an initial set of guidelines for cutting greenhouse gases. For now, electric ships make most sense in populated waterfront areas where they can be recharged easily and improve air quality and noise pollution. Of the 185 battery-powered ships in operation or scheduled for delivery worldwide in 2018, most are in Norway and France, according to DNV GL, a ship classification and assurance company near Oslo. Norway is particularly suited because its hundreds of fjords—long and narrow inlets of sea water that can stretch hundreds of kilometers inland—make ferries an essential complement to road transportation. By 2021, about 60 battery-powered or hybrid vessels will be in operation, said Edvard Sandvik, who heads the ferry division at Norway’s Public Roads Administration. The first zero-emissions ferry, called the MF Ampere, started sailing between the villages of Oppedal and Lavik along the Sognefjord in 2015. Operated by Norled AS, it’s made of light aluminium, runs on 10 tons of lithium-ion batteries and carries up to 350 passengers and 120 cars. After each 20-minute journey, it recharges for 10 minutes. The ride is both smoother and quieter than on diesel-powered ferries. Some initial kinks made the ship lag the two other ferries that travel the same route, frustrating commuters, but it’s since caught up. “I’m very doubtful that the first steam engine was flawless,” said captain Steinar Johnsen, 47. “If you’re always going to wait for something better, you’re never going to do anything.” In the Netherlands, Port-Liner BV will deploy five, 52-meter container barges powered by 20-foot batteries this year that can cruise for 15 hours, says chief executive officer, Ton van Meegen. He predicts they’ll divert some 23,000 trucks from European roads when they start servicing ports in and around Antwerp, Belgium, and Dutch cities Amsterdam and Rotterdam. Also in the pipeline: 10 boats capable of running for 35 hours on four, 20-foot-long batteries. They’ll cut 18,000 cubic tonnes of CO2 from the atmosphere, he said.