Exxon Valdez oil spill workers use pressure washers to wash oil from the beach at Smith Island on Alaska's Prince William Sound.
Benjamin Lowy / Corbis
Exxon gas station in Houston, TX.
Paul Fusco / Magnum
The cleanup of Price William Sound after the Exxon-Valdez oil spill in 1989.
Natalie Fobes / Science Faction / Corbis
The supertanker Exxon Valdez lies hard around Bligh Reef in Prince William Sound, Alaska, USA.
Don Ryan, file / AP
A customer holds a gas pump handle at an Exxon station in Vancouver, Wash.
Julie Jacobson / AP
An oil-spill worker takes part in a cleanup along the Yellowstone River near Laurel, Mont., on July 11, 2011, after an ExxonMobil pipeline beneath the riverbed ruptured days earlier
Scott Olson / Getty Images and Karen Bleir / AFP / Getty
A "For Sale" sign in front of a Chicago, Illinois house on May 31, 2011, and an Exxon gas station near the Watergate complex in Washington, DC on April 20, 2011.
Haraz N. Ghanbari / AP
From left, ExxonMobil chairman and CEO Rex Tillerson, Chevron chairman and CEO John Watson, ConocoPhillips CEO James Mulva, Shell Oil president Marvin Odum and BP America chairman and president Lamar McKay testify on Capitol Hill in Washington on Tuesday, June 15, 2010
Brian Harkin / Getty
ExxonMobil chairman Rex Tillerson speaks after the company's annual shareholders' meeting on Thursday in Dallas.
Kemal Jufri/Imaji for TIME.
Prawn farmers work in the shadow of the ExxonMobil complex.