For their part, OTA representatives are labeling such lobbying efforts misguided, while Marriott International and Hilton are taking matters into their own hands through negotiations and web-direct campaigns. The American Hotel & Lodging Association (AH&LA), a Washington-based trade group, is taking aim at OTAs. In that sector, the two largest companies, Priceline Group and Expedia, account for about 93% of all U.S. OTA bookings, according to Phocuswright data. AH&LA is arguing that the two are acting like a "duopoly" by effectively boosting commission rates by negotiating for lower wholesale hotel-room prices, especially with nonbranded establishments. Additionally, the AH&LA alleges that OTAs are harming consumers by hiding service fees charged to the guest by lumping them in with taxes. The trade group is also highlighting the prevalence of so-called "rogue" OTAs whose graphics and user interface trick guests into thinking they've booked directly with the hotels. Get the full story at Travel Weekly