Doppio and Blended Tea are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Doppio and Blended Tea's differentiating factor?In following section we will take a close look at what is Doppio and Blended Tea color, serving style, types and much more. First thing to know is what are the different types of Doppio and Blended Tea. Well, Doppio types include Espresso while types of Blended Tea are Arnold Palmer, Builder's Tea, Butter Tea, Earl Grey Tea, Jagertee, Jasmine Tea, John Daiy, Kahwah, Karha, Kombucha, Lady Grey, Lei Cha, Maghrebi Mint Tea, Masala Chai, Noon Chai, Peace Iced Tea, Soder Tea, Sweet Tea, Teh Talua, Teh Tarik, Yuanyang.