The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
Men fish off a pier at a jetty in Dauphin Island, Ala., with oil rigs in the background. The U.S. government is changing how it regulates drilling platforms.
Mario Tama/Getty Images hide captionThe Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
April 21, 2010: Fire boats battle the blaze on the Deepwater Horizon rig. U.S. Coast Guard/Getty Images hide caption