Website: -. Alnwick was besieged by William the Lion, King of Scotland in 1172 and 1774. On the second try, the castle was recaptures. In the fourteenth century, Alnwick was bought from the Bishop of Durham by Henry Percy who began a major renovation. Piercy rebuilt the shell keep by enlarging it with seven semicircular towers added in a form called cluster donjon.
Quick Answer. The Maryland Department of Transportation Motor Vehicle Administration requires state residents to get an emissions test performed on their vehicles every 2 years, as of 2014. The test is performed at a vehicle emissions inspection program, or VEIP, station. Continue Reading.
The federal Clean Air Act requires that emission testing facilities must be located within 12 miles of motorists who need to get their vehicles tested. Most 1996 and newer gasoline-powered passenger vehicles are subject to testing after they are 4 years old. The emissions check is required every other year.