Narrator: State troopers are on duty 24 hours a day. When one goes off duty, another goes on and may use the same car. Since 1972, more than 90 trooper cars using Havoline super premium all temperature motor oil were driven over four million miles, of the engines taken apart non showed any sign of unusual ware. With Havoline's formulation, you get all of this protection without buying any extra motor oil additives. Get Havoline super premium motor oil.