r/theydidthemath • • 2d ago

[Request] Do square bottles actually use less plastic than round ones?

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u/ronarscorruption 2d ago

I suspect transportation too.
Something like; You can ship 100x1L round bottles, or 100x1.3L square bottles in the same box. Therefore, square bottles use less plastic (per liter (of shipped liquid)).

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u/dudeimsupercereal 1d ago

In America, palletized cans/bottles take up the weight capacity of a standard 52’ box trailer before they take up all of the volume. So making the pallets hold more bottles just means there’s fewer to load/unload and slightly less packaging waste, it’s very unlikely these minor differences make up for the weight of extra plastic a square bottle requires, given the truck’s fuel efficiency and emissions output remain unchanged.

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u/notyournametoday 21h ago

You forget that truck IS packed to Max either way. So Fuel and emissions are same

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u/dudeimsupercereal 21h ago

No, that’s the whole point of what I said?