 In 2005, the company introduced Coca-Cola Zero (renamed "Coca-Cola Zero Sugar" in 2017), a sugar-free more closely based on original Coca-Cola.In 2005, under pressure from retailer Walmart (which was impressed with the popularity of Splenda sweetener), the company released a new formulation called "Diet Coke sweetened with Splenda".Sucralose and acesulfame potassium replace aspartame in this version.