Despite a drop in this proportion relative to the other principal groups forming the world seaborne trade, it seems probable that the amount of liquid fuels carried will continue to increase in absolute terms due to the continued expansion of the petro-chemical industry, the increase in motorisation, the production of oil-based military weapons, and the increasing demand for energy resulting from industrial developments.
Nangona intwana yolwalamano oluthelekiswa kwintlanganiselo ezizintloko zisakha urhwebo lwehlabathi ngenqanawa kukhangeleka kulindeleke ukuba umthamo wokuthwala isibaso solwelo lakuqhubekeha ukwandisa ixesha elimisiweyo elingathandabuzekiyo ngenxa yolwando oluqhubekekayo lorhwebo lomchiza wepetrol kwezemoto, izixhobo zomkhosi eziiyimveliso, elichiza liyi-oyile nobango olwandileyo lwamandla elidala uphuhliso kumashishini.