Assuming that the different sizes of hexes have yet to be mixed together, that wouldn't be hard. Also, don't they already have to drill the holes in the hexes for the wires?
Design of Automatic Machinery was one of my favorite classes. I'd jump at the opportunity to design robots.
(mind you, that doesn't mean I know anything about them right now...)
Are you by any chance thinking of Wayne1112? Personally, I don't mind his TR's, because he actually climbs things worth beating his chest over in the first place...
My ideal plan would be to add that tax, and have the funds from that tax go specifically for green-energy research.
Unfortunately with our current politians, I ain't holding my breath.