Joe Avella: In this episode of "2,500 Calories," I wanted to compare Starbucks and Dunkin' Donuts ... Joe: Dunkin' Donuts, they do have a DDSmart menu that I think is meant to be a little bit ...

Beyond the growing bottled coffee trend, the move was also prompted by concern that Dunkin' Donuts may be losing customers to competitors, such as Starbucks, that already sell bottled coffee.

Dunkin' Donuts and Starbucks are trying to lure lunch diners now that fast food chains like McDonald's and Taco Bell are competing more aggressively for the morning crowd. As part of its push for ...