Kuzuza ibikomoka kuri peteroli, harimo amavuta aribwa namavuta yinganda.Amavuta aribwa ninganda zinkingi zubukungu bwigihugu, nimwe mubiryo byingenzi mubuzima bwacu bwa buri munsi, nkamavuta yintoki, amavuta yintoki, amavuta avanze nibindi.Amavuta yo mu nganda ahanini asiga amavuta, murwego rwo hejuru rwo gutangiza inganda muri iki gihe, ibikoresho byose byubukanishi ntibishobora gukora bitarimo amavuta, uburyo bukoreshwa cyane.