for both XM and Sirius XM as well as subscriptions to those services. Kiosks run by cellular phone providers are also common. Most long-haul tractors have sleeping berths, and many truck drivers keep their diesel engines running for heating or cooling for the sake of comfort. Because idling diesel engines make considerable noise (and are a source of pollution) they are often banned from such use near residential areas. Truck stops (along with public rest stops) are the main places where truck drivers may rest peacefully, as required by regulations. Modern innovations, such as truck heaters and auxiliary power units, are becoming more common, and some truck stops now provide power, air conditioning, and communications through systems such as IdleAir. Many truck stops used to have load board monitors for truck drivers to find real time information on loads, jobs, weather and news. However, DAT Solutions, the largest provider of load boards, removed its monitors from thousands of truck stops and moved all its services online and to its load board mobile apps. Most chain truck stops also have WLAN Internet access in their parking areas. Idle reduction—reducing the amount of fuel consumed by truck fleets during idling—is an ongoing economical and environmental effort. Australia In Australia a roadhouse is a filling station (service station) on a major intercity route. A roadhouse sells fuel and provides maintenance and repairs for cars, but it also has an attached restaurant (usually a café or diner) to sell and serve hot food to travelers. Roadhouses usually also serve as truck stops, providing space for parking of semi-trailer trucks and buses, as well as catering to travelers in private cars. In remote areas such as the Nullarbor Plain, a roadhouse also offers motel-style accommodation and camping facilities. Approximately two thirds of truck stops are independently owned with the remainder being owned and run by 'Big Oil' brands such as Caltex, BP and Shell. Germany and Austria In Germany and some parts of Austria there were newer official developments to the existing highway service station. The often state owned service stations at the highway were insufficient to deal with the growing number of lorries and the necessary stops for lorry drivers to rest. Since 2001, the traffic regulations of Germany Straßenverkehrsordnung include a road sign, Autohof, literally car yard or automobile court. An Autohof is run by a private company, but the government provides the