Apart from reducing aircraft weight, what are some other examples of efficiency improvements in aircraft servicing? Group of answer choices A. Taxiing with only one engine to reduce fuel consumption B. Engine washing programs to help improve fuel efficiency C. Fueling aircraft on the last arrival before the next day to minimize potential delays in the first departure bank the next morning D. "De-icing" the aircraft in advance of the early morning departure bank to minimize potential delays in the first departure bank the next morning E. All of the above F. None of the above