It is too bad we don't have an organization that would be willing to lobby the FAA to allow lower powered or experimental approved transponders and ADS-B out solutions in Certified gliders that do not have an electrical generator. Wouldn't that have been a reasonable approach for the last ten years? Why does the power requirements for transponders change at 15k rather than 18k? All things that working with the FAI might have helped the glider community in the long run.