“Exxon Still Sails Single-Hulled In Alaska,” U.S. News and World Report’s Beyond the Barrel blog, February 28, 2008. Photo by NOAA.
See also:
“Some Deem Double-Hulled Tankers Worth the Cost,” U.S. News and World Report, February 29, 2008
“Exxon: We Have Paid for Valdez,” U.S. News and World Report, February 28, 2008