Many beverages, such as colas, contain phosphoric acid. Ginger ale, colas, and related drinks are carbonated with 3.5 volumes. Some foods contain caffeine (coffee, tea, colas, energy drinks etc.). In Thuringia, Vita Cola has the biggest market share of colas, even above Coca-Cola. Most modern colas contain caramel color, and are sweetened with sugar and/or high-fructose corn syrup. A cola often confused with open-source colas is Ubuntu Cola. It is recommended that soft drinks containing phosphoric acid (typically colas) be avoided. The phosphoric acid used in colas was thought to be a possible cause. Advertising for Pepsi Raw presented the product as a natural alternative to other colas. Shoppers are encouraged to taste both colas, and then select which drink they prefer. Ranga bought two ice cream and three Campa Colas. In Haiti there are several champagne type colas. In 2006, Screg Belgium was renamed Colas Belgium. In June 2014 it was reported that 10 locos have been sold to Colas Rail. Unlike other colas, its recipe includes mate-extract.