This is a little sideproject of mine, basically a Next.js rewrite of PetrolStationApp. I have never used React nor Next.js before and I'm currently just toying around with this, so expect some antipatterns...
This only works inside Germany due to the fact that the prices are fetched from https://creativecommons.tankerkoenig.de, which only has data from the MTK-S, a German federal agency