> https://www.quora.com/Is-it-true-that-the-15-biggest-ships-i.. https://www.quora.com/Is-it-true-that-the-15-biggest-ships-i.... Thanks for the link. So it is

> https://www.quora.com/Is-it-true-that-the-15-biggest-ships-i.. https://www.quora.com/Is-it-true-that-the-15-biggest-ships-i.... Thanks for the link. So it isn't carbon emissions that exceed those of cars but SOx and NOx (which are still a problem).