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How Canadian eco ships reduce emissions
Great Lakes-St. Lawrence ship operators have invested over $2 billion to acquire new eco-friendly ships that are up to 40 per cent on average more energy efficient than the previous generation. Yet efforts continue to move the industry toward net-zero. Here are just a few methods Canadian cargo ships are using to reduce carbon emissions today.
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New laker vessels have optimized hull shapes that reduce fuel consumption and increase operational efficiency. By streamlining water flow to the propellor, they achieve better fuel economy. And by maximizing onboard cargo space, they reduce the number of ships needed to carry large loads.
Advances in engine technology, such as electronic control, have improved fuel economy and reduced emissions of air pollutants like nitrous oxide and particulate matter.
This technology can reduce fuel consumption up to 10 per cent by dynamically minimizing the engine’s revolutions per minute. It also allows the vessel operator to set fuel limits so there is no excess, and set speed limits for just-in-time arrival to ports.
Propeller Pitch Optimization Systems
These digital systems continuously gather data about speed, fuel and energy use, and other metrics. By analyzing this data, sharing it within the industry, and using it to adjust their ships to improve efficiency, operators can actively manage fuel consumption and reduce greenhouse gas emissions.
Ships are testing and expanding the use of biofuels and liquefied natural gas, as alternatives to marine diesel.
By applying a hard, smooth finish to underwater hull surfaces, vessels reduce friction and drag, which improves performance and reduced fuel use. They also reduce the ability of marine organisms to attach themselves to the hull, which may help reduce the spread of invasive species.
Ships are converting to LED lights to improve energy efficiency.
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More Efficient Engines
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Refined Hull Designs
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Ship Performance Monitoring Systems
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Lower Carbon Fuels
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Special Hull Coatings
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Efficient Lighting
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As seen in Postmedia publications