Infographic North American Emission Control Area Share ECAs are established by the IMO to limit emissions from ships in coastal areas. In North America’s ECA, ships must burn fuel or scrub exhaust to emit a maximum of 0.1% sulphur content since January 2015. Published March 25, 2020 | Last modified on February 16, 2024 You may also be interested in Infographic Incidence of Oil Spills Worldwide 1970 – 2015 Infographic Black Carbon 101: How Black Carbon Behaves in the Arctic Infographic Pollution Types from Marine Shipping