How floating power ports could help cargo ships cut their air pollution

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How floating power ports could help cargo ships cut their air pollution
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A new system from Maersk aims to give offshore container ships a way to plug into a buoy—and shut off their engines.

When moored at port, ships typically connect to land-based cables and onshore power sources to maintain operations while they load and unload cargo. Most modern container ships. But when the port is full, ships will often wait at anchor in the open ocean and use auxiliary engines to provide the power needed for critical shipboard functions like refrigeration, radars, radios, lighting, and the circulation of fresh and saltwater.

“It continues to impact the health of millions of people all over the world and leads to a lot of unnecessary death and debilitating lung issues,” said Paul Blomerus, executive director of Clear Seas, a not-for-profit research center in Canada promoting greener shipping practices.

But Pettit also questioned whether the system is going to be large enough to truly confront the problem. “It could have [an] impact, but there are a lot of operational issues that would need to be worked out, not the least of which is how you would deal with so many ships with a number of buoys at the same time.”

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