Absolutely, they keyword here is ECA: https://en.wikipedia.org/wiki/Emission_Control_Area https://en.wikipedia.org/wiki/Emission_Control_Area That being said,

Absolutely, they keyword here is ECA: https://en.wikipedia.org/wiki/Emission_Control_Area https://en.wikipedia.org/wiki/Emission_Control_Area That being said, the calculation that a cruise ship generating its own power emits as much SO2 as 34400 idling trucks seems to hold up.