Any public transport in downtown Oklahoma City should be sustainable and should have the ability to expand easily. Some want CNG buses and some want trolleys. Both have advantages and drawbacks. Buses are basically what we have already and many don't want the overhead cables for trolleys. Has anyone considered an electric trolley or bus with an in-ground inductive power system? This has the advantage of less maintenance of electric motors, no overhead infrastructure ruining the skyline, and the system wouldn't interfere with regular vehicular traffic because of rail tracks in the road which would need regular maintenance. The system is easily expandable and electric vehicles are cheaper to maintain and operate.