Step on the gas? They never stop moving! By constantly moving, the airplanes have 30 knots less to accelerate to reach flight speed and 30 knots less to deacc

Step on the gas? They never stop moving! By constantly moving, the airplanes have 30 knots less to accelerate to reach flight speed and 30 knots less to deaccelerate when landing. They're also nuclear powered so it's not like that extra energy actually costs you much.