Kambani yeCosta Cruises, inotsigirwa neAmerican Carnival, yazivisa kuti kubva muna 2019 ichapa ngarava dzinokwira ngarava shoma dzinosvibisa, dzakagadzirwa neinjini dzakauchikwa dzinoshandisa gasi rechisikigo (LNG). Iyo kambani yatotanga kushanda, sezvavanotaura, uye yatumira ngarava mbiri yerudzi urwu kune Meyer ngarava dzezvikepe muTurku, Finland.
Imwe yeidzi ngarava yaizove nayo inokwana vatasvi vanosvika mazana matanhatu nemazana matanhatu uye ivo vaizotanga kushanda mu2019 uye 2020.
Ngarava idzi dzakatumirwa neCosta Cruises dzichava dzekutanga kumhanyisa gasi rakasanganiswa (gasi remethane pane tembiricha yakadzika kwazvo kuitira kuti igare iri mvura uye nekudaro inoderedza huwandu hwayo) semafuta munzvimbo yevashanyi. Mafuta aya anozoshandiswa zvese mu makungwa akakwirira kunge panguva yekugara pachiteshi.
En enzanisa nekushandiswa kwakajairika dhiza dhiziri, ine sarufa yezvinhu 0,1%, kana sulfur oxides kana soot particles hazvibudi. Nekudaro, nitrogen oxide emissions ichadzikiswa neanosvika ku80% uye carbon dioxide emissions ne30%.
Kune rimwe divi, iyo zvakare inotsigira (ino nguva yeGerman) yeCosta Cruises, Aida Cruises yakazivisawo kuti ichapa urwu rudzi rwechikepe girini, pane zvikepe zvine injini dzakauchikwa, kune vatengi vavo kwemazuva akafanana. Mabhoti ayo akavakirwa ino subsidiary achagadzirwa mu Ngarava dzeGerman kubva kuPapenburg, muchokwadi iyo tekinoroji kambani Becker Marine Systems yatove nekuita kwekupedzisira tekinoroji bvunzo iyo ngarava AIDAsol inopihwa ne magetsi emagetsi kuburitsa kwakaderera kunobva mukuwaniswa gasi rechisikigo.
Sekureva kweNGO Transport and Environment, dzinosvika zviuru makumi mashanu zvekufa nguva isati yakwana muEurope zvinokonzereswa ne kusvibiswa kwemhepo yegungwa. Kushatiswa kwemweya muzviteshi zvinokonzerwa nezvikepe zvekufamba, izvo injini dzinoramba dzichimhanya panguva yekufona, inofungidzirwa kuti inoita chinzvimbo mukuvandudzwa kwekenza dzakasiyana siyana nekurwadziwa kwemoyo.
Unogona kuverenga ruzivo nezve kusvibiswa muzviteshi pano.