The introduction of the International Maritime Organization 's emission standards in 2020 will not stop production of high sulphur bunker fuel , with 60 % of 33 global refineries confirming production will continue , according to a Reuters survey . However , the study revealed 70 % of plants will cease output post-2020 , with more than half continuing to produce other higher value products , such as gasoline and diesel . In addition , one - third of respondents said they have already stopped or will end high sulphur fuel oil production by 2020 . The official declined to be named as they are not authorized to speak to the media. Most refineries are investing less than $ 100 m , but some are investing over $ 500 to convert their plants .
The introduction of the International Maritime Organization 's emission standards in 2020 will not stop production of high sulphur bunker fuel , with 60 % of 33 global refineries confirming production will continue , according to a Reuters survey . However , the study revealed 70 % of plants will cease output post-2020 , with more than half continuing to produce other higher value products , such as gasoline and diesel . In addition , one - third of respondents said they have already stopped or will end high sulphur fuel oil production by 2020 . Most refineries are investing less than $ 100 m , but some are investing over $ 500 to convert their plants .