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in the EU from 1990 to 2021. The lines show, Sulphur oxides (SOx), Nitrogen oxides (NOx), Ammonia (NH3), Non-methane ... important air pollutants in the European Union (EU): sulphur oxides (SOx), nitrogen oxides (NOx), ammonia (NH3), non-methane ...

the emission of ozone-depleting substances, such as sulphur oxides (SOx) ([https://op.europa.eu/en/publication-detail/-/publication/76a4e627 ... Since their introduction in 2015, the regulations to lower sulphur oxide (SOx) emissions at sea seemed to have a certain ...