Perhaps they could eliminate this issue by designing the machine at the destination to run directly off of laser light. For example one could imagine a jet engine that swaps out a combustion chamber for a heat exchanger that a high power laser keeps at high temperature. Similarly laser light can be used for remote temperature regulation. Feed it into a photonic circuit for control and computation. Illumination is trivial. The only big power draw I can think of that would be tough to do directly is mechanical actuation.