Abu Dhabi has proposed to reduce tourism fees fro 6% to 3.5% and municipality fees from 4% to 2%.
Also proposed to reduce municipality fees for hotel rooms from aed 15 per night to aed 10 per night.
refer link for further details
http://www.arabianbusiness.com/travel-hospitality/398665-abu-dhabi-orders-cuts-to-tourism-municipality-fees