Shipping’s route to a more sustainable future paid Mitsubishi Heavy Industries
is not the only environmental challenge the industry faces. Shipping also needs to control the amounts of other harmful substances its freight carriers release into the atmosphere, in particular nitrogen oxides and sulfur oxides.
To cut its SOx emissions, the shipping industry has introduced restrictions in key shipping routes across the world. So far, the IMO has created four, ranging from the Baltic Sea to the coasts of North America, with a sulfur cap of 0.1 percent. The cap also applies throughout the European Union. In 2020 new IMO regulations will come into force mandating the sulfur content of marine fuels in all waters of the world to be less than 0.5 percent.
The second option is to use fuels with a lower sulfur content, such as LNG. As well as cutting a ship’s SOx emissions, LNG also has lower nitrogen oxide and CO emissions, making it a popular choice for shipping companies seeking to reduce their environmental impact.However, the growth of LNG as a shipping fuel is limited by a lack of infrastructure for fueling — or “bunkering,” as the LNG fueling process is known.
The rapid advances in lithium-ion battery technology, pioneered by the auto industry, have put the spotlight on electricity as a potential fuel source for shipping. However, regular nighttime charging is not an option for shipping liners traveling great distances, and the battery technology does not yet exist that could power these vessels.
France Dernières Nouvelles, France Actualités
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