Calling its cup of joe “the best cup of coffee on the interstate,” Pilot Flying J sources its coffee from Colombia, Indonesia and Brazil; roasts it in Portland, Ore.; and serves it in regular, iced and cappuccino. The Knoxville, Tenn.-based chain also has coffee hosts on site to fix any equipment malfunctions and recommend flavor combinations to customers. “The coffee kiosk has a great variety of choices, and the coffee is very good,” one consumer said.