The yellow caps indicate that the soda is kosher, or fit, to drink on the Jewish holiday of Passover. It's made with sucrose ...

A bottle of Coke or Diet Coke with a yellow cap is special because it symbolizes that particular bottle is kosher for ...

Soda-loving history buffs likely know that back in the 1980s ... And because of the "limited supply" factor, one commenter on ...

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.