Gas prices and tips.

[tosiek]

This is a post i copied from another forum.

A friend of mine emailed this to me... I thought I would post it here..

With the price of gas always on the rise I thought you might find these tips helpful.


TIPS ON PUMPING GAS (Good information)

I don't know what you guys are paying for gasoline.... but 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, regular and premium grades. We have 34-storage tanks here 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 filling 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.

DO SHARE THESE TIPS WITH OTHERS!

 

[SIReefer]

Thanks Tony. I saw this earlier. It's a definite No Buy when a gasoline truck is filling up the storage tanks, too much sediment stirred up.

 

[inkblue]

:thanks: wiLL gas up in the AM...

 

[Awibrandy]

Tony this is a great share!!! Thanks a bunch!

 

[masterswimmer]

Good deal T. Thanks for the heads up.

R

 

[duke62]

and make sure you kiss the oil company before it .......well you know

 

[NYreefNoob]

the sediment is filter out at the pump. you wont get it into your tank. and gasoline is no different to a degree then any other liquid, changes density with temp, great info though. as for fumes you car is equipted with a evap system which in return does not let the vapor's escape, any and all vehicles made after 1996 have this system. thats why if you leave the gas cap off you will get a check engine light. it lets the comp know that fumes are being released

 

[jhale]

great info guys, thanks!

 

[bud]

The bad part is after reading this, now I have to stand in the cold in the early hours pumping my car in slow speed.

This is not good.

 

[SIReefer]

LOL I was thinking the same thing.

 

[masterswimmer]

Tony, I got to thinking about this a bit more. I don't know if I agree with the oil company expert. The huge oil companies store their millions of gallons in above ground tanks. Gas stations store their gasoline in underground tanks, as the expert said. This being the case, then the tanks in the northeast are most likely below the frost line (approx. 42"). Anything below the frost line, which these 10,000 or 20,000g tanks are, remain at a constant 55-57 degrees, regardless of the air temperature. This is called earth sheltering.

Therefore, I can't see how you'd get more gallons for your buck at any given time of day. The sub grade temperature is a relative constant.

swimmer

 

[ReefnQueens]

masterswimmer you got me all confused now because your theory makes sense as well....

its still a good thread and thanks for the info.....its worth a shot anyway