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    • #256282

      Got this in my email today, and thought I’d pass it along, since the topic has been touched upon quite a bit….

      Only buy or fill up your car or truck in the early morning when the
      temperature is still cold. Remember that all service stations have
      storage tanks buried below ground. The colder the ground the more dense
      gasoline, when it gets warmer gasoline expands, so buying in the
      or in the evening….your gallon is not exactly a gallon. In the
      business, the specific gravity and the temperature of the gasoline,
      and jet fuel, ethanol and other petroleum products plays an important
      A 1-degree rise in temperature is a big deal for this business. But the
      service stations do not have temperature compensation at the pumps.

      When you’re filling up do not squeeze the trigger of the nozzle to a
      mode. If you look you will see that the trigger has three (3) stages:
      middle, and high. In slow mode you should be pumping on low speed,
      minimizing the vapors that are created while you are pumping. All hoses
      the pump have a vapor return. If you are pumping on the fast rate, some
      the liquid that goes to your tank becomes vapor. Those vapors are being
      sucked up and back into the underground storage tank so you’re getting
      worth for your money.

      One of the most important tips is to fill up when your gas tank is HALF
      FULL.. The reason for this is, the more gas you have in your tank the
      less air occupying its empty space. Gasoline evaporates faster than you
      imagine. Gasoline storage tanks have an internal floating roof. This
      serves as zero clearance between the gas and the atmosphere, so it
      minimizes the evaporation. Unlike service stations, here where I work,
      every truck that we load is temperature compensated so that every
      gallon is
      actually the exact amount.

      Another reminder, if there is a gasoline truck pumping into the storage
      tanks when you stop to buy gas, DO NOT fill up–most likely the
      gasoline is
      being stirred up as the gas is being delivered, and you might pick up
      of the dirt that normally settles on the bottom.

      Hope this will help you get the most value for your money.

      Karen Pierce
      Stitching Blog:
      View My Photos:

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