Once you open a 2 - liter bottle of soda within a few days it goes flat. (breastfeedingmamatalk.com)
That expansion of that gas causes lava to blast into the air once it reaches the surface, a bit like taking the lid of a shaken bottle of soda. (sciencedaily.com)
-- The cup holders were too small to hold anything but a small aluminum can, which was annoying when buying a bigger bottle of soda or a large coffee from anywhere. (autolist.com)