Coke, Pepsi make changes to avoid cancer warning

This Feb. 7, 2012 photo, shows cans Diet Pepsi Wild Cherry at a store in Pittsburgh. (AP Photo/Gene J. Puskar)

March 8, 2012 12:47:58 PM PST
Coca-Cola Co. and PepsiCo Inc. are changing the way they make the caramel coloring used in their sodas as a result of a California law that mandates drinks containing a certain level of carcinogens bear a cancer warning label.