Pepsi initially ditched its diet recipe that replaced aspartame with sucralose, but it didn't go over well with Diet Pepsi loyalists so now it's bringing the original recipe back.

Diet Pepsi made with aspartame is returning to shelves in the U.S., after PepsiCo Inc. saw sales plummet following its reformulation of the drink last summer to remove the artificial sweetener.

Bottles of Diet Pepsi with, left, and without aspartame, center and right, sit in a case at a store in New York. In response to customer feedback, PepsiCo said earlier this year that it would ...

The new Diet Pepsi is having a rough debut since PepsiCo replaced the artificial sweetener aspartame with less-controversial sucralose in a bid to reverse plunging industrywide diet-soda sales.

The overall decline of the diet soda business continued unabated last year and, in the first quarter of 2016, sales of Diet Pepsi by volume reportedly fell 10.6 percent, while Diet Coke (still ...