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.
In most built up areas, towns and villages, etc., the speed limit is 30mph. Effectively this speed limit is in force wherever there are lamp posts (with a few exceptions determined by the spacing of the lamp posts). Where the UK speed limit exceeds 30mph, there will be 'repeater' signs reminding you of the higher limit.