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
Double Cola 2012 in five different flavors all with energy-boosting ingredients. The same year The Double Cola Company tapped into the ever-growing coconut water market with MINŌKU Coconut Water. MINŌKU Coconut Water is ethically sourced in Thailand and is sold nationally in the US. The Double Cola Company has plans to release their newest product ZILI Tea in the near future in five different flavors. The Double Cola Company website says, "ZILI Teas are all natural teas that harness the power of Mother Nature to hydrate, nourish, and satisfy." Double Cola was formerly available in a somewhat wider area of the South.