24 Sep 2014 --- The largest soda makers in the United States have promised to cut the calories in soft drinks nationwide by 20 percent by 2025. The Alliance for a Healthier Generation, founded by the American Heart Association and Clinton Foundation, has worked with representatives from American Beverage Association, The Coca-Cola Company, Dr Pepper Snapple Group and PepsiCo announced the landmark agreement to decrease beverage calories in the American diet.