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
Jolly Cola had close connections to the brewing industry, that wanted a prohibitive surtax on what a member of the Danish Communist Party called “a bitter cup”. When the Danish producers finally realised that they could not keep Coca-Cola out of the Danish market anymore, they quickly changed their strategy. In January 1959 18 breweries and producers of mineral water went together to form ‘Dansk Coladrik A/S’. This initiative was instigated by Carlsberg and Tuborg so as to produce an original Danish cola that was to be sold nationwide. The soft drink was named Jolly Cola and was an all-out copy product.