If you're a fan of Coca Cola, you might have noticed that some of the bottles' iconic red caps have been replaced with yellow ...

For over a century, Coca-Cola has been synonymous with its iconic red packaging. But recently, bottles with yellow caps have ...

Coca-Cola rarely breaks tradition from its iconic red packaging, and when it does its usually for a good reason as some ...

This image from Coca-Cola's filling line gives a clear view of the plastic cap still in use "We have a good understanding already of what the bottle will go through as we put it into the real world.

Today, bottles of Coca-Cola that are kosher for Passover have yellow caps instead of the traditional red ones. In addition to the yellow cap, the bottle has a Passover certification symbol.