were you driving it manually, or using Autodrive? Were you driving it conservatively, or heavy on the accelerator? Did you stay at a consistent 55 - 60mph, or

were you driving it manually, or using Autodrive? Were you driving it conservatively, or heavy on the accelerator? Did you stay at a consistent 55 - 60mph, or were you going faster? There are a lot of factors in play for a electric vehicle.