This one is available only at 7-Eleven and Speedway stores. And KFC has the new Tropical Passion Fruit Sweet Lightning Mountain Dew for a limited time. This is available as a fountain drink.

Choose from Tropical Passionfruit Lemonade, or mix it up by pairing it with Starry, Mountain Dew Sweet Lightning, or either regular or sweet Iced Tea. For those who are really thirsty or looking ...