(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.
MPG For Speed .com. Unfortunately, it's true. Your car's gas mileage decreases once it gets past its optimal speed. For most cars, this is around 55-60 mph. This means that every time you go over this speed, you're essentially wasting gas and money - and creating unnecessary greenhouse gases.
Tires with a Q speed rating can safely sustain speeds of up to 99 miles per hour. The tire may be able to reach higher speeds, but going faster than 99 mph for any length of time is not safe. The tire is not designed to handle the stresses. What is a Z Rating? For tires rated above 149 mph, a Z rating may appear in the size designation. Safety and Speed Ratings. When you get new tires, choose tires with at least the speed rating your car or truck's manufacturer recommends. It's ok to move up to a higher speed-rated tire, but don't go lower. The speeds shown are test speeds; they are not recommended speeds. Please obey speed limits.