GRVNES e fana ka likhase tse entsoeng ka boenjiniere le litharollo tsa acoustic bakeng sa likepe tse hlokang ho ikamahanya le melaoana e teng le e lebelletsoeng ea International Maritime Organisation (IMO) le Emission Control Area (ECA).Lihlahisoa tsa rona tsa mantlha li kenyelletsa:
1. Thepa ea Marine ea DPF e etselitsoeng ho fokotsa mesi e tsoang.
2. Lisebelisoa tsa Marine SCR tse etselitsoeng ho fokotsa mocheso oa NOx.
