Difference between revisions of "Gas Fill Tip"
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| − | + | {{X}} | |
| − | [[Image:Alfa8cspider.jpg|right| | + | [[Image:Alfa8cspider.jpg|right|330px]] |
| − | <BIG>Pumping gas.... | + | <BIG>Pumping gas.... ''more bang for your buck!''</BIG> |
Mr. X has been in petroleum pipeline business for about 31 years, currently | Mr. X has been in petroleum pipeline business for about 31 years, currently | ||
| − | working for the Kinder-Morgan Pipeline | + | working for the Kinder-Morgan Pipeline in San Jose, CA. They deliver |
about 4 million gallons in a 24-hour period from the pipe line; one day | about 4 million gallons in a 24-hour period from the pipe line; one day | ||
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it's diesel, the next day it's jet fuel and gasoline. They have 34 | it's diesel, the next day it's jet fuel and gasoline. They have 34 | ||
| − | storage tanks | + | storage tanks with a total capacity of 16,800,000 gallons. Here |
are some tricks to help you get your money's worth: | are some tricks to help you get your money's worth: | ||
| − | === | + | ===Morning is Better=== |
Fill up your car or truck in the morning when the temperature is | Fill up your car or truck in the morning when the temperature is | ||
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temperature of the fuel (gasoline, diesel, jet fuel, ethanol and other | temperature of the fuel (gasoline, diesel, jet fuel, ethanol and other | ||
| − | petroleum products) are significant. Every truckload that | + | petroleum products) are significant. Every truckload that is loaded is |
temperature-compensated so that the indicated gallonage is actually the | temperature-compensated so that the indicated gallonage is actually the | ||
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| − | === | + | ===Don't Load when they Unload=== |
If a tanker truck is filling the station's tank at the time you want | If a tanker truck is filling the station's tank at the time you want | ||
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| − | === | + | ===Half Full is better=== |
Fill up when your gas tank is half-full (or half-empty), because the | Fill up when your gas tank is half-full (or half-empty), because the | ||
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| − | === | + | ===Take your time=== |
If you look at the trigger you'll see that it has three delivery | If you look at the trigger you'll see that it has three delivery | ||
Latest revision as of 23:22, 17 July 2010
Pumping gas.... more bang for your buck!
Mr. X has been in petroleum pipeline business for about 31 years, currently
working for the Kinder-Morgan Pipeline in San Jose, CA. They deliver
about 4 million gallons in a 24-hour period from the pipe line; one day
it's diesel, the next day it's jet fuel and gasoline. They have 34
storage tanks with a total capacity of 16,800,000 gallons. Here
are some tricks to help you get your money's worth:
Morning is Better
Fill up your car or truck in the morning when the temperature is
still cool. Remember that all service stations have their storage
tanks buried below ground; and the colder the ground, the denser the
gasoline. When it gets warmer gasoline expands, so if you're filling up
in the afternoon or in the evening, what should be a gallon is not
exactly a gallon. In the petroleum business, the specific gravity and
temperature of the fuel (gasoline, diesel, jet fuel, ethanol and other
petroleum products) are significant. Every truckload that is loaded is
temperature-compensated so that the indicated gallonage is actually the
amount pumped. A one-degree rise in temperature is a big deal for
businesses, but service stations don't have temperature compensation at
their pumps.
Don't Load when they Unload
If a tanker truck is filling the station's tank at the time you want
to buy gas, do not fill up; most likely dirt and sludge in the tank is
being stirred up when gas is being delivered, and you might be
transferring that dirt from the bottom of their tank into your car's
tank.
Half Full is better
Fill up when your gas tank is half-full (or half-empty), because the
more gas you have in your tank the less air there is and gasoline
evaporates rapidly, especially when it's warm. (Gasoline storage tanks
have an internal floating 'roof' membrane to act as a barrier between
the gas and the atmosphere, thereby minimizing evaporation.)
Take your time
If you look at the trigger you'll see that it has three delivery
settings: slow, medium and high. When you're filling up do not squeeze
the trigger of the nozzle to the high setting. You should be pumping at
the slow setting, thereby minimizing vapors created while you are
pumping. Hoses at the pump are corrugated; the corrugations act as a
return path for vapor recovery from gas that already has been metered.
If you are pumping at the high setting, the agitated gasoline contains
more vapor, which is being sucked back into the underground tank, so
you're getting less gas for your money. Hope this will help ease your
'pain at the pump'