Windmills. 1  When you start out in the game you can have a maximum of 5 windmills on your camp. These give you energy per hour. 2  Windmills are gift-able. Your neighbors will send them to you as a gift. 3  To place a windmill on your neighbors camp. Click on their icon on the lower left of your screen.  Windmills are also an achievement.
The maximum speed limit on rural freeways and interstates in Arkansas is 70 miles per hour. Rural freeways are the sections of major highways that passing through rural and sparsely populated areas, and can safely allow faster driving. Rural highways will generally have the highest legal speed limits in Arkansas.
All of the roads in the US have a speed limit, the average being around 75 mph, with some areas in Texas and Utah reaching 80 mph. Road speed limits are used in most countries -- and are endorsed by the World Health Organization -- as a way to reduce road casualties. The highest speed limit ever introduced was in Abu Dhabi between 2005 and 2010 where the limit was set at 99 mph. The speed limit was reduced in 2011 to 87 mph. In Germany, some autobahns have no speed limit, but an advisory limit of 130 km/h (80 mph) was established in 2008.