could Mario Kart 9's big change revolve around conserving fuel? One fan spotted a rather conspicuous fuel tank added to the side of Mario's otherwise familiar kart, labelled "1-UP Fuel".

A Twitter user pointed out that the karts now have visible gas tanks and suggested the new yellow item is fuel that lets you boost whenever. The very brief glimpse the Nintendo Switch 2's reveal ...

Now, this may not mean that you will literally have to go through there to collect ... about this but the gimmick of mario kart 9 is definitely a fuel tank karts have conspicuous fuel tanks ...