Radio control options involve carrying batteries onboard the vehicle. While it can be effectively argued that this stored energy isn't being used to move the vehicle, just the mere existence of the batteries on the vehicle does open up a door to arguments the doubters would likely use. Vehicle will thus need to be steered through a track mechanism or carry a pilot.
It was determined that the best option was a vehicle similar in size to Dr. Bauer's with a pilot on board would provide the most flexible platform.
