Back in 90s it was always happening and you would see oil spilage at sea for miles on the news.
In: Engineering
In 1992 a requirement for oil tankers to have double hulls was passed.
The single hull ones had to be phased out by 2005.
[Construction Requirements for Oil Tankers – Double Hulls](https://www.imo.org/en/OurWork/Environment/Pages/constructionrequirements.aspx#:)
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