Oceanic shipping is a big emitter of pollutants that cause acid rain, mostly because its limits on sulfur in fuel are incredibly lax compared to those for cars/

Oceanic shipping is a big emitter of pollutants that cause acid rain, mostly because its limits on sulfur in fuel are incredibly lax compared to those for cars/trucks. It's not a big CO2 emitter relative to land transportation. https://www.quora.com/Is-it-true-that-the-15-biggest-ships-in-the-world-produce-more-pollution-than-all-the-cars https://www.quora.com/Is-it-true-that-the-15-biggest-ships-i...