Double-hulled Tankers
Double-hulled tankers are a type of oil tanker designed with two layers of watertight surfaces, one on the inside and one on the outside. This design significantly reduces the risk of oil spills in the event of a collision or grounding, as the outer hull can absorb the impact and prevent the inner hull from being breached. The space between the two hulls can also be used for ballast water, further improving the stability of the vessel. Double-hulled tankers have become the industry standard following the Exxon Valdez oil spill in 1989, which led to the International Maritime Organization (IMO) implementing regulations requiring all new oil tankers to be double-hulled. These tankers are not only used for transporting crude oil, but also for refined products such as gasoline and diesel. Despite their advantages, double-hulled tankers are more expensive to build and maintain than single-hulled vessels, and they also require more careful inspection to ensure the integrity of both hulls.
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