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 June 20, 2024 You may also be interested in Video 2020 Public Opinion Poll: Canadians’ Attitudes Towards Marine Shipping Video Perspectives on Co-Developing EMSA in Partnership with Indigenous Communities Infographic Tanker Sizes and Capacities