he average thermal efficiency of a coal-fired power plant in the United States across all classes of fuel is approximately 32 percent. This level has not changed in many years, as few new coal-fired 1 New coal-fired plants would not necessarily be more efficient than older coal-fired units. New units would be more likely
Tuition and fees at Duke University are $49,241 without financial aid. With room, board, and other fees combined, total cost of attendance is $66,739.
Entering PhD students are assessed $22,880 each semester (fall and spring) during academic years 1-3. The tuition charge for continuing PhD students is $3,162 each semester (fall and spring) during academic years 4+. Tuition charges for part-time master's or continuing studies students is $2,765 per unit or semester hour. Lean more on Duke's graduate school website.