Fuel-Saving Tread Compound Fuel-Saving Tread Compound helps reduce energy loss as the tire rolls to save 2,600 miles worth of gas over the life of the tire.*Wet Tread Zone Wet Tread Zone with Dual AquaChannel® Grooves helps evacuate water away from the treadface for great traction on wet roads.Dry Tread Zone Dry Tread Zone with Solid Shoulder Blocks helps enhance handling and grip for confident maneuvering on dry pavement.