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 over your blouse?) The best selling artist of all time Elvis Presley, promoted Coca-Cola during his last tour of 1977. The Coca-Cola Company used Elvis' image to promote the product. For example, the company used a song performed by Presley, A Little Less Conversation, in a Japanese Coca-Cola commercial. Other artists that promoted Coca-Cola include David Bowie, George Michael, Elton John, and Whitney Houston, who appeared in the Diet Coke commercial, among many others. Not all musical references to Coca-Cola went well. A line in "Lola" by the Kinks was originally recorded as "You drink champagne and it tastes just