Peace Boat Ecoship Tourism Biofouling increases friction as the

Biofouling increases friction as the ship moves through water

but cruise ships are not sustainable - the average conventional cruise ship carrying 3

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the system eliminates the pollution problem

Peace Boat Ecoship Tourism Biofouling increases friction as theCruise industry has experienced booming growth, but cruise ships are not sustainable the average conventional cruise ship carrying 3,000 passengers and crew generates 80,000 litres of sewage a day, according to the Environmental Protection Agency (EPA) and many cruise lines use out dated filter systems, resulting in minimally treated sewage being dumped into the water. Although sulfur content of bunker fuel is now limited to 0. 5% (from previous 3.