China’s three busy water bodies have recorded “considerable reductions” in ship emissions since 2015 when vessels there were put under stricter emissions limits. Oxysulfide and particulate emissions from ships in the Bohai Sea area, the Yangtze River Delta and the Pearl River Delta in 2018 were 33...
https://www.hellenicshippingnews.com/china-slashes-ship-emissions-in-three-busy-water-areas/