<prompt> Pedzisa mutsara unotevera: Zviitiko zvepamusoro-soro panguva yehutungamiri hwaObama zvakatarira kune njodzi dzekuchera mafuta emvura yakadzika muExclusive Economic Zone yeU.S. Kubhururuka kwaApril 2010 kweMacondo zvakanaka, moto unoguma uye kunyura kwe Deepwater Horizon kuchera chikuva, uye mafuta anodonha muGulf yeMexico yakaitika nguva pfupi mushure mekunge Dhipatimendi reMukati raburitsa chirongwa chemakore mashanu chekuvandudza mafuta uye gasi yeUS yekunze kondinendi shelf OCS. Purezidhendi Obama akarayira kumiswa kwokuchera OCS uye akagadza dare rinobatanidza mapato maviri kuti rizive zvinokonzera kuputika uye kuti rikurudzire marongerwe ezvinhu okudzivisa ngwavaira dzomunguva yemberi. Komisheni yakawana zvinetso zvikuru muchimiro nekuitwa kweNational Contingency Plan pasi peOil Pollution Act ya1990, iyo yakagadzwa zvichitevera kutyorwa kweOil Pollution Act ya1990.  <response>: Exxon Valdez yakadururira mafuta muAlaska. Masangano eDhipatimendi reMukati ane mutoro wokutarisira kukura kwesimba reOCS akarongwazve kuti aparadzanise kubhadhara uye mari kubva kumitemo yekuchengetedza nekuchengetedza. 