Patman
Staff member
It doesn't have the energy conserving seal on it because this stuff is formulated on the thick end of the 30wt range, so it's fuel economy isn't going to be as good as an oil formulated more on the lower end, which most conventional oils are. The high mileage oils are all formulated on the high end, and aren't concerned with getting that energy conserving stamp since they aren't expecting most of their customers to be using it in new cars, but in older ones.