A new strategy and legal framework for oil shale activities was adopted in 2005.[9] Since 2008, Petrobras and Total S.A. have been evaluating the Timahdit deposit.[1][7] In May 2009, San Leon Energy signed a three-year agreement with ONHYM for development of the Tarfaya deposit. San Leon Energy concluded an exclusive agreement with Mountain West Energy to use the Mountain West Energy-patented In-Situ Vapor Extraction technology for a three-year pilot project at Tarfaya.[8][10] In August 2012, San Leon commissioned Enefit Outotec Technology, a joint venture of Eesti Energia and Outotec, to study a feasibility of an Enefit 280 production plant.[11][12]