(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.
Speed Ratings. Many of today's automobiles come equipped with speed rated Original Equipment tires. Speed rating passenger tires originated in Europe, where highway speeds can exceed 100 mph(160kph). The speed rating indicates the maximum speed a properly inflated tire will withstand for a determined time. Testing for speed rating certification is conducted in a laboratory setting.