Connect with us

Hi, what are you looking for?

CleanTechnica

Energy Efficiency

Company Developing Energy-Efficient Ship that Floats on Air

ship

Rotterdam-based marine-engineering firm DK Group has been quietly testing one of the strangest-sounding technologies to come along in the recent past— a ship that floats on air. This past September, the company let loose a 272 foot long cargo vessel in Norway’s Oslo Fjord. 25 feet below the ship’s surface, recesses built into the underside of the vessel’s hull created drag-reducing pockets.

The reduction in drag meant that the ship used 7 percent less oil than it normally would. It also significantly reduced carbon dioxide emissions.

DK Group estimates that implementing air cavity systems to ships adds only 2 to 3 percent to building costs.

If the company’s technology is widely adopted, it could be hugely beneficial to the merchant shipping industry, which emits 800 million tons of CO2 annually. And of course, anything that even begins to wean us off petroleum deserves praise.

 

Advertisement
 
Appreciate CleanTechnica’s originality? Consider becoming a CleanTechnica Member, Supporter, Technician, or Ambassador — or a patron on Patreon.
 
Have a tip for CleanTechnica, want to advertise, or want to suggest a guest for our CleanTech Talk podcast? Contact us here.

Written By

was formerly the editor of CleanTechnica and is a senior editor at Co.Exist. She has contributed to SF Weekly, Popular Science, Inhabitat, Greenbiz, NBC Bay Area, GOOD Magazine, and more. A graduate of Vassar College, she has previously worked in publishing, organic farming, documentary film, and newspaper journalism. Her interests include permaculture, hiking, skiing, music, relocalization, and cob (the building material). She currently resides in San Francisco, CA.

Comments

You May Also Like

Cars

By focusing on ways to improve efficiency at its factories, EV brand Polestar has managed to reduce carbon emissions by 6% per car.

Cars

Government rebates, cash for clunkers programs, and congestion fees? New Zealand is doing a lot of things right!

Clean Transport

Ford, Volvo Cars and broad industry coalition appeals to EU to ensure all new cars and vans are zero emissions from 2035 and to...

Climate Change

Those wells need to be decommissioned so that they never again spout emissions. But promising climate action and delivering it are two entirely different...

Copyright © 2021 CleanTechnica. The content produced by this site is for entertainment purposes only. Opinions and comments published on this site may not be sanctioned by and do not necessarily represent the views of CleanTechnica, its owners, sponsors, affiliates, or subsidiaries.