Nā Pōmaikaʻi
(1) palekana a hilinaʻi hoʻi
ʻOi aku ka kiʻekiʻe o ke kiko hoʻā o ka LNG ma mua o ka gasoline a ʻoi aku ka kiʻekiʻe ma mua o ka diesel; ʻO ka palena pahū o ka LNG he 2.5 ~ 4.7 mau manawa ʻoi aku ka kiʻekiʻe ma mua o ka gasoline; ʻO ka nui o ka LNG ma kahi o 0.43 a ʻo ka gasoline ma kahi o 0.7. ʻOi aku ka māmā ma mua o ka ea. ʻOiai inā he leaka iki, e hoʻoheheʻe koke ia a hoʻolaha, i ʻole e puhi koke a pahū a hana i ka palena o ka pahū inā he ahi. No laila, he ikehu palekana ka LNG.
(2) palekana maʻemaʻe a me ke kaiapuni
Wahi a ka loiloi laʻana a me ka hoʻohālikelike ʻana, ʻo LNG, ma ke ʻano he wahie kaʻa, e hōʻemi ana i ka hoʻokuʻu piha ʻana ma kahi o 85% i hoʻohālikelike ʻia me ka gasoline a me ka diesel, me ka hōʻemi ʻana o 97% i ka hoʻokuʻu ʻana o CO, 70% ~ 80% i ka HC, 30% ~ 40% i ka NOx, 90% i ka hōʻemi ʻana o CO2, 40% i ka hoʻokuʻu ʻana o nā particulate a me 40% i ka walaʻau. Eia kekahi, ʻaʻohe ona carcinogens e like me ke kēpau a me ka benzene, ʻaʻohe ona sulfide, a he hana palekana kaiapuni maikaʻi loa. No laila, he ikehu maʻemaʻe ka LNG.
(3) hoʻokele waiwai a me ka pono
Ma hope o ka hoʻoheheʻe ʻana, ua hoʻemi ʻia ka nui o ka LNG i kahi o 1/625 o ke kinoea kūlohelohe kinoea, a ʻo kona kumukūʻai mālama he 1/70 ~ 1/6 wale nō o ke kinoea kūlohelohe kinoea. Loaʻa iā ia nā pono o ka hoʻopukapuka haʻahaʻa, ka liʻiliʻi o ka noho ʻāina a me ka pono mālama kiʻekiʻe. Eia kekahi, hiki ke hana hou ʻia ka mana hoʻoluʻu i lawe ʻia e ka LNG.
(4) maʻalahi a kūpono hoʻi
Hiki i ka LNG ke lawe i ka nui o ke kinoea kūlohelohe i kekahi mea hoʻohana paʻakikī ke hiki aku ma o ka pipeline ma o kahi kaʻa pahu kūikawā a moku paha, ʻaʻole wale ia e mālama i ka hoʻopukapuka kālā i hoʻohālikelike ʻia me ka pipeline hoʻoili kinoea ma lalo o ka honua, akā he kūpono hoʻi, hilinaʻi, haʻahaʻa ka pilikia a me ka hiki ke hoʻololi ikaika. Wahi a nā helu helu, ua kūkulu ʻia a hoʻokomo ʻia ma mua o 100 mau mea ʻokiʻoki LNG kiʻekiʻe ma ʻAmelika Hui Pū ʻIa, Iapana a me ʻEulopa. ʻAʻole ia e mālama wale i ka ʻāina, ke kapikala a me ka manawa kūkulu i hoʻohālikelike ʻia me ke kūkulu ʻana i nā pahu mālama kinoea kiʻekiʻe ma ka honua a me ka mālama kinoea ma lalo o ka honua, akā he kūpono hoʻi, maʻalahi a ʻaʻole i kaupalena ʻia e nā kūlana geological. No nā ʻāina me nā kumu kinoea lawa ʻole, ʻo ka lawe ʻana mai i ka LNG ke ala kūpono loa a me ka hoʻokele waiwai e hoʻoponopono ai i kā lākou lako kinoea. Eia kekahi, hiki ke hoʻoheheʻe maʻalahi ʻia ka LNG me ka wai kai.
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