I don't remember seeing eggs in a fridge anytime during my service in Europe – but I never really thought about it. They tasted exactly the same as here.
As it turns out, it all boils down to a disagreement about the best way to keep consumers from getting sick — specifically, from getting salmonella.
Here, the USDA requires egg producers to thoroughly machine-wash all eggs before they can be sold.
Officials in the U.S. believe that, by rinsing freshly-laid eggs with a combination of hot water and a chlorine mix, they are minimizing the chance that the eggs will become contaminated with bacteria.
Story @ Most Countries Don't Refrigerate Eggs. Here's Why the Same Move Is Dangerous in the US