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Sunday, September 10 • 12:00pm - 12:45pm
Wind Power and the Revival of Sail in Maritime Shipping

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Wind Power and the Revival of Sail in Maritime Shipping.  
• Summary. Old is new. Adapting to new economic and environmental realities, maritime shipping is seeking more efficiency and is again turning to wind power and sail.
• Scale. Maritime fleet, fuel use, emissions.
• Economics and the Environment. Economics now favor efficiency and propulsion alternatives. International environmental regulations are taking effect.
• First steps. Regional “Emissions Control Areas” (Baltic, North America, etc.). Liquefied natural gas (LNG) as a cleaner maritime fuel.
• CASE STUDIES: Wartsila, the Eleanor Roosevelt de Baleària.
• Next steps. Recent UN maritime standards seek to reduce greenhouse gas (GHG) emissions 50% by 2050 via operational efficiency measures, further speed reductions, alternative low-carbon and zero-carbon propulsion, etc.
• Wind assisted ship propulsion. Major corporate involvement. Case studies.
• Fletner Rotors – deployed on very large ore carrier fleet by Vale SA.
• Retractable wingsails – deployed on mega oil tankers by China Merchants Energy Shipping.
• Oceanwing system – 400 ft. ship under construction for EU space agency.
• WISAMO – inflatable automated wingsail being developed and demonstrated by Michelin.


Mark Zion

Mark Zion had a successful 30-year career in the energy industry, and he continues to consult and teach in the areas of public policy and renewable energy.Mark earned his bachelors and masters degrees at the University of Texas.He is a life-long sailor and a member of the Austin Yacht... Read More →

Sunday September 10, 2023 12:00pm - 12:45pm PDT
Green Boating Stage