Double-hulled tanker Double-hulled tanker A double-hulled tanker refers to an oil tanker which has a double hull. They reduce the likelihood of leaks occurring than in single-hulled tankers, and their ability to prevent or reduce oil spills led to double hulls being standardized for oil tankers and other types of ships including by the International Convention for the Prevention of Pollution from Ships or MARPOL Convention. After the Exxon Valdez oil spill disaster in Alaska in 1989, the US Government required all new oil tankers built for use between US ports to be equipped with a full double hull. A number of
SS Tuxpam (Mexican oil tanker) SS Tuxpam (Mexican oil tanker) The SS "Tuxpam" was an oil tanker, in the service of Petroleos Mexicanos, that was sunk on 27 June 1942 by U-129. She was completed in November 1903 as SS "Prometheus" for Deutsch-Amerikanische Petroleum GmbH, Hamburg. In 1914 she was laid up at New York City and, in December of that year, sold and renamed SS "Cushing" for Standard Oil of New Jersey, Bayonne. In September 1918, she was requisitioned by the US Navy as "USS Chinampa (SP-1952)" for the Naval Overseas Transportation Service and returned to her owners in May 1919. In 1924 she