Pumping gas tips

Some decent FYI stuff when fueling up......



TIPS ON PUMPING GAS--THIS IS GREAT INFO!!!
I don't know what you guys are paying for gasoline.Here in California we
are also paying higher, up to $3.50 per gallon. But my line of work is
in petroleum for about 31 years now, so here are some tricks to get more
of your money's worth for every gallon.

Here at the Kinder Morgan Pipeline where I work in San Jose , CA we
deliver about 4 million gallons in a 24-hour period thru the pipeline.
One day is diesel the next day is jet fuel, and gasoline, re gular and
premium grades. We have 34-storage tanks he re with a total capacity of
16,800,000 gallons.

Only buy or fill up your car or truck in the early morning when the
ground temperature is still cold. Remember that all service stations
have their storage tanks buried below ground. The colder the ground the
more dense the gasoline, when it gets warmer gasoline expands, so buying
in the afternoon or in the evening....your gallon is not exactly a
gallon. In the petroleum business, the specific gravity and the
temperature of the gasoline, diesel and jet fuel, ethanol and other
petroleum products plays an important role. 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 fil ling up do not squeeze the trigger of the nozzle to a
fast mode. If you look you will see that the trigger has three (3)
stages: low, middle, and high. In slow mode you should be pumping on low
speed, thereby minimizing the vapors that are created while you are
pumping. All hoses at the pump have a vapor return. If you are pumping
on the fast rate, some of 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 less worth for your money.

One of the most important tips is to fill up when your gas tank is HALF
FULL or HALF EMPTY. 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 can imagine. Gasoline storage tanks have an internal
floating roof. This roof 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
some of the dirt that normally settles on the bottom.
Hope this will help you get the most value for your money.

Thanks for the info GMH351
I was curious how do you clear the lines when running different grades incl. dissel? so you don't get a mixture of stuff???
tim

I agree with everything except the ground temperature part. No matter where you live in the world the ground temp is pretty much constant. It would have to go from 0 degrees in the morning to 100 degrees in the afternoon to make even a small difference. Here in SC ground temp goes from 52 to 56. Winter 52...summer 56. That is how GEO-Thermal air conditioning works. What will make a difference is pump temperature. Plus don't the tanks have to be below the frost line.