Fusion has the same engine/motor as the C-Max & Escape.
Factory rated mileage was reduced in July/Aug of this year, still GREAT! We are averaging 38mpg over 3,000 miles but we do have hills/grades in every direction from the house. This is also 70% driving at freeway speed. Gets better mileage at slower speeds and maybe the new software upgrade will improve high speed mileage as it raises the speed on the electric motor from a top speed of 60 to 85. We will be getting the upgrade this next week. Good luck!
rocmoc n AZ/Mexico