Looking at properties in the Austin area, and one of the HIX's has a "Go Green Don't Clean" rate. Same as BFR, except you get $5 off or 1000 bonus points. It doesn't say "per night" but I sure hope it would be!
REDUCE YOUR CARBON FOOTPRINT BY FORGOING HOUSEKEEPING SERVICES DURING YOUR STAY AND RECEIVE 1000 BONUS PRIORITY CLUB POINTS OR 5 DOLLARS OFF YOUR ROOM RATE