<prompt> Ukuqhuma kuka-Ephreli 2010 emthonjeni waseMacondo, umlilo owalandela nokucwila kwepulatifomu yokumba i- Deepwater Horizon, nokuchitheka kukawoyela eGulf of Mexico kwenzeka ngemuva nje kokuthi uMnyango Wezangaphakathi ukhiphe uhlelo lweminyaka emihlanu lokuhlela ukuthuthukiswa kukawoyela negesi emthambekeni wezwekazi laseMelika OCS. UMongameli u-Obama wayala ukuba kuvalwe ukuqhuma kwe-OCS futhi wamisa ikomiti lamaqembu amabili ukuba inqume izimbangela zokuqhuma futhi income izinqubomgomo zokuvimbela izinhlekelele zesikhathi esizayo. Ikhomishini yathola izinkinga ezinkulu ekwakhiweni nasekusetshenzisweni koHlelo Lukazwelonke Lwezinto Ezingalindelekile ngaphansi koMthetho Wokungcoliswa Kwe-Oyili ka-1990, owamiswa kulandela i-Exxon Valdez  <response>: ukuchitheka kukawoyela e-Alaska. Izikhungo zoMnyango Wezangaphakathi ezibhekele ukwengamela ukuthuthukiswa kwamandla e-OCS zahlelwa kabusha ukuze kuhlukaniswe ukuqashisa kanye nemali engenayo ekulawuleni nokuphoqelelwa kokuphepha. 