So far as normal cargo ships are concerned, the vast majority are propelled by diesel engines, with a much smaller number having steam turbine propulsion.
Kunangoku ngokwenqanawa eziqhelekileyo zokuthutha umthwalo, ubuninzi bazo ziqhutywa ngee-injini zedizili, ngenani elincinci leziqhutyelwa phambili nge-injini ejikeleziswa ngumsinga wamanzi.