Double-hulled tanker after 6 July 1993 to be fitted with double hulls, or an alternative design approved by IMO". However, in the aftermath of the Erika incident of the coast off France in December 1999, members of IMO adopted a revised schedule for the phase-out of single-hull tankers, which came into effect on 1 September 2003, with further amendments validated on 5 April 2005. After the Exxon Valdez oil spill disaster, when that ship grounded on Bligh Reef outside the port of Valdez, Alaska in 1989, the US Government required all new oil tankers built for use between US ports to be
History of the oil tanker engines, as opposed to the older steam engines. The "Vandal", the first diesel-electric ship, was capable of carrying 750 long tons of refined oil was powered by three diesel motors. The larger "Sarmat" employed four 180 h.p. engines. The first seagoing diesel-powered tanker, 4,500 ton "Mysl", was built by Nobel's competitors in Kolomna. Nobel responded with "Emanuel Nobel" and "Karl Hagelin", 4,600 long ton kerosene tankers with engines. The 475 ft., 7-masted schooner "Thomas W. Lawson", built in 1902, was the largest purely sail tanker ever built. It carried coal, and oil in barrels from Texas to the East Coast