The area of the Deepwater Horizon oil rig is seen here in July 2010, shortly before the Macondo well was capped after spilling oil for 87 days. The Trump administration has proposed revisions to Obama-era rules that aimed to prevent similar disasters. Dave Martin/Associated Press hide caption
Southwest Airlines Boeing 737 Max aircraft are parked at a Southern California airport after the aircraft was grounded by the FAA. Mark Ralston/AFP/Getty Images hide caption
The Deepwater Horizon oil rig explosion on April 20, 2010, killed 11 people and resulted in the nation's largest offshore oil spill. Gerald Herbert/AP hide caption
The Deepwater Horizon oil rig explosion on April 20, 2010, killed 11 people and resulted in the nation's largest offshore oil spill. Gerald Herbert/AP hide caption
David Rainey, second from right, leaves Federal Court after being arraigned on obstruction of a federal investigation in New Orleans in 2012. Rainey was acquitted Friday. Matthew Hinton/AP hide caption
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
The Alabama gulf coast is heavily developed with condo and hotel properties. Now the state wants to use Gulf Coast restoration funds to build a new beach hotel and conference center. Debbie Elliott/NPR hide caption
BP Mobile Incident Commander Keith Seilhan talks with oil cleanup workers in Gulf Shores, Ala., in July 2010. Seilhan has settled with SEC regulators who say he avoided $100,000 in stock and options losses by trading on inside information related to the spill. Dave Martin/AP hide caption
Former BP drilling engineer Kurt Mix, who has been convicted of obstructing justice. Jonathan Bachman/AP hide caption
The Deepwater Horizon oil rig burned on April 21, 2010. U.S. Coast Guard/Getty Images hide caption
BP is scaling back its cleanup efforts from the Deepwater Horizon oilspill in areas outside Louisiana. Here, a photo from last September shows alluvial clay and tar mats on the shore of Elmer's Island, in Jefferson Parish, La. Gerald Herbert/AP hide caption
David Rainey, a former BP vice president during the Deepwater Horizon oil rig explosion, leaves federal court after being arraigned on obstruction of a federal investigation in New Orleans on Nov. 28, 2012. A federal judge Monday dismissed the charge that Rainey obstructed a congressional investigation into the 2010 spill. Matthew Hinton/AP hide caption
Assistant Attorney General Ignacia S. Moreno in September of 2011. Jeff Chiu/AP hide caption