Cola by citric or other isolated acids. Coca-Cola's recipe is maintained as a corporate trade secret. A variety of different sweeteners may be added to cola, often partly dependent on local agricultural policy. High-fructose corn syrup (HFCS) is predominantly used in the United States and Canada due to the lower cost of government-subsidized corn. In Europe, however, HFCS is subject to production quotas designed to encourage the production of sugar; sugar is thus typically used to sweeten sodas. In addition, stevia or an artificial sweetener may be used; "sugar-free" or "diet" colas typically contain artificial sweeteners only. In the 1940s, Coca-Cola
Coca-Cola Coca-Cola stopped printing the word "Classic" on the labels of bottles sold in parts of the southeastern United States. The change is part of a larger strategy to rejuvenate the product's image. The word "Classic" was removed from all Coca-Cola products by 2011. In November 2009, due to a dispute over wholesale prices of Coca-Cola products, Costco stopped restocking its shelves with Coke and Diet Coke for two months; a separate pouring rights deal in 2013 saw Coke products removed from Costco food courts in favor of Pepsi. Some Costco locations (such as the ones in Tucson, Arizona) additionally sell