<P> Coca - Cola Zero Sugar, also called Coke Zero Sugar, is a diet cola produced by The Coca - Cola Company . In some countries it is sold as Coca - Cola No Sugar . </P> <P> Coca - Cola Zero Sugar replaced an earlier drink, known as Coca - Cola Zero and Coke Zero, which was similarly a no - calorie cola . Many fans of Coke Zero were furious about the change . </P> <P> Coca - Cola Zero was Coca - Cola's largest product launch in 22 years . The global campaign was done by creative agency Crispin Porter + Bogusky . It was marketed as having a taste that is indistinguishable from standard Coca - Cola, as opposed to Diet Coke, which has a different flavor profile . </P> <P> In 2017, despite increasing sales in the United States, the Coca - Cola Company announced that Coca - Cola Zero would be replaced by Coca - Cola Zero Sugar, intended to taste more like standard Coca - Cola . Coca - Cola Zero Sugar was first tested in the United Kingdom in June 2016, with plans to roll it out in other countries in the following months . Many fans of Coke Zero were outraged and discouraged about the new flavor . The Washington Post noted Coke Zero is very popular, and that fans compared the change to the launch of New Coke in 1985 . In Australia, it was launched as "Coca - Cola No Sugar" in 2017 but has had trouble gaining acceptance . </P>

Why is there diet coke and coke zero
find me the text answering this question