[DeTomaso] TIPS ON PUMPING GAS

JJD1010 at aol.com JJD1010 at aol.com
Tue Mar 25 12:48:44 EDT 2008


TIPS ON PUMPING GAS

*Only buy or fill  up your car or truck in the early morning. 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 other 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 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 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



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