Reusing glass uses a similar amount of water and about 30-40% of the energy as recycling:
https://pdf.sciencedirectassets.com/282173/1-s2.0-S221282711...
So my point stands, we could see significant environmental improvements if we mandated standard glass bottle and container sizes.
Something like: Food, Carbonated Liquid, Beer, Wine.
Sizes: 150ml, 300ml, 500ml, 750ml, 1L, 1.5L, 2L.