A new fare will be implemented: 0. You will be seated in the lav and asked to leave your "seat" everytime someone needs to use it.
Prior to the first trip, you will be handed a "fidelity card" that you will need to get stamped by the pilot/driver. After 10 trips, you will be upgraded to the biz's lav for a segment of your choice*.
*Valid only in Western TX. Black-out dates apply.