<prompt> Qedela le nkulumo elandelayo: INASSCO yaqala ukwakha imikhumbi yezimpahla ezentengiselwano ngo-1959, ekugcineni yahlanganisa imikhumbi emikhulu yezimpahla namathangi kawoyela e-Alaska. Umkhumbi wayo odume kakhulu wezohwebo kwakungu-Exxon Valdez othwala uphethiloli, owaqedwa ukwakhiwa eNASSCO ngo-1986, kwathi ngo-1989 wabuyela eNASSCO ukuze alungiswe ngemuva kwengozi yakhe futhi  <response>: ukuchitheka kukawoyela e-Alaska. NgoDisemba 2012 inkampani yasayina inkontileka yokwakha imikhumbi emibili yamakhonteyina enikwe amandla yi-liquefied natural gas LNG. Lapho seziqediwe ziyoba imikhumbi emikhulu kakhulu esebenza nge-LNG yanoma yiluphi uhlobo emhlabeni. 