There has been a couple of attempts. https://en.wikipedia.org/wiki/Nuclear_marine_propulsion#Merchant_cargo_ships https://en.wikipedia.org/wiki/Nuclear_marine_p

There has been a couple of attempts. https://en.wikipedia.org/wiki/Nuclear_marine_propulsion#Merchant_cargo_ships https://en.wikipedia.org/wiki/Nuclear_marine_propulsion#Merc... So far it hasn't really been economically feasible unlike icebreakers. Russia is the only one who is operating those.