The push was introduced in 2019 and made mandatory in 2024. I moved to Belgium (my third time in Europe) in 2020 the bottles - plastics and glass - did not have the attached caps. It was around late 2021 to early 2022 when they started to appear.
By the time I left the country before it offically became mandatory, the attached caps were on every bottle.
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u/EchoChamberTech 7h ago
I just went back to Europe for the first time in 4 years.
4 years ago, I do not remember water bottles having that. But on this trip, they all did. And I hated it.