Senator Carl Levin (D-MI) looks on during a hearing on 'Harnessing Small Business Innovation: Navigating the Evalaution Process for Gulf Coast Oil Cleanup Proposals' in front of the U.S. Senate Committee on Small Business and Entrepreneurship at Senate Dirksen Building on June 17, 2010 in Washington, DC. BP have signalled their intention to purchase a number of V20 machines built by Ocean Therapy Solutions, a company in which Costner has invested a reported GBP 13.5 million to assist development, as part of the ongoing oil-spill clean up operation to stem the environmental impact of the BP Deepwater Horizon oil spill in the Gulf of Mexico.