updating or adjusting the ranges set out in Part C of Annex I to take into account changes in heavy-duty vehicle design and ensure that the ranges remain relevant for information and comparability purposes;
na raonta a leagtar amach i gCuid B d’Iarscríbhinn I a nuashonrú nó a choigeartú chun athruithe i ndearadh feithicle tromshaothair a chur san áireamh agus chun a áirithiú go leanfaidh na raonta de bheith ábhartha fós chun críocha faisnéise agus inchomparáideachta;