We've been through some of this subject matter before on this forum. Everyone should be reminded that purchasing fuel in the early morning does not result in getting "contracted" volume fuel. The variation in volume due to temperature only occurs when the fuel is stored in an environment subject to temperature change. Below the (comparitively shallow) frost line, the temperature of the earth stays relatively constant year-round. Most underground fuel tanks are below the frost line -- the fuel drawn when pumping has invariably been resting below the frost line. We don't have vapor return mechanisms in Michigan, so the speed of filling the tank is relatively immaterial here, at least. It may make a difference at locations where there is a vapor recovery system. Mike Reed in Lake Odessa, Michigan ----- Original Message ----- From: Gary Barker To: Listsaver 300 Club Sent: Saturday, February 09, 2008 3:13 Subject: [Chrysler300] Fw: Information on Buying Gas. This article is for Chrysler 300's only. Deep in the Article they talk about how fast the new Gas evaporates. I think this answers why we are having starting problems when are cars sit to long. Gary Barker From: Richard Felixson Sent: Friday, February 08, 2008 7:33 AM To: Wayne Claypoole ; tom hay ; sol becker ; Ron Painter ; Rewenner127@xxxxxxx ; ray calkins ; new jerri ; marvin EL ; MARVIN DENNIS ; Lori Gordon ; Les Lorenzo ; jim west ; J tobin ; Gary Johnson ; eddie t bowling ; Ed Son Tobin ; ed Collar Collar ; don anthony ; dolores esoenscheid ; deb & mom ; darlene carmody ; crist sysco ; claudia ; carlene lopez ; Bob Dyke ; Big Bowling Buddy ; Berniee ; Ben Hahn Subject: FW: -----Original Message----- From: eevansles@xxxxxxx [mailto:eevansles@xxxxxxx] Sent: Friday, February 08, 2008 7:17 AM To: taAkins8579@xxxxxxxxx; cindyblack30@xxxxxxxxx; Richard@xxxxxxxxxxxxxxxxxxxx; dklemme@xxxxxxxxxxx Subject: Subject: tips on pumping gas 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 j et 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 c reated 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. ---------------------------------------------------------- More new features than ever. Check out the new AOL Mail! 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