(44) Public water system --A system supplying water to a number of connections or individuals, as defined by current rules and regulations of the Texas Commission on Environmental Quality, 30 TAC Chapter 290.
According to studies backed by the department of energy, the average car will be at its advertised MPG at 55 mph. But as the speed increases: - 3% less efficient at 60 mph. - 8% less efficient at 65 mph.
ZRY: 300kph 186mph. ZR(Y): 300+kph 186+mph. Obviously, most of these ratings are for tires that do not go on passenger cars. The lowest speed rating you will probably ever see on a passenger car or truck tire is either S or T, which appear most often on dedicated snow tires.