Climate & Environment
Slow Steaming
Operating ships at deliberately reduced speed to cut fuel consumption and emissions — shipping's cheapest immediate decarbonisation measure.
Definition
Slow steaming is the practice of operating vessels at speeds significantly below design speed to reduce fuel consumption. Because power demand rises roughly with the cube of speed, modest speed reductions yield large fuel and emissions savings — typically 10–30% reductions for a few knots' reduction — at the cost of longer voyage times, offset by deploying additional vessels on a route.
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