Kopi Luwak and Doppio are produced all around the globe. And they change according to region in where they are cultivated. So, the question arises what is Kopi Luwak and Doppio's differentiating factor?In following section we will take a close look at what is Kopi Luwak and Doppio color, serving style, types and much more. First thing to know is what are the different types of Kopi Luwak and Doppio. Well, Kopi Luwak types include while types of Doppio are Espresso.