Exxon Valdez oil spill After 20 years, there is no evidence suggesting that either cleanup workers or the residents of the communities affected by the Valdez spill have had any adverse health effects as a result of the spill or its cleanup. In 1992, Exxon released a video titled "Scientists and the Alaska Oil Spill", to be distributed to schools. Dr. Michael Fry called it a piece of "corporate propaganda". In December 1994, the Unabomber assassinated Burson-Marsteller executive Thomas Mosser, accusing him of having "helped Exxon clean up its public image after the "Exxon Valdez" incident". The PR company claimed not to have been
Oil tanker has a capacity of over , a length overall of and a cargo capacity of . They were the first ULCCs to be double-hulled. To differentiate them from smaller ULCCs, these ships are sometimes given the "V-Plus" size designation. With the exception of the pipeline, the tanker is the most cost-effective way to move oil today. Worldwide, tankers carry some annually, and the cost of transportation by tanker amounts to only US$0.02 per gallon at the pump. In 1954 Shell Oil developed the average freight rate assessment (AFRA) system which classifies tankers of different sizes. To make it an independent