That was talking about sulfur and nitrous oxides, not CO2. And that's because once they're out away from ports, they burn cheap bunker fuel which is ridiculousl

That was talking about sulfur and nitrous oxides, not CO2. And that's because once they're out away from ports, they burn cheap bunker fuel which is ridiculously dirty. This can be easily addressed by switching to other fuels, and some places have already banned bunker fuel since that report.