Gasoline Savings - T or F - What do you Think?

Real Estate Agent with DFW FINE PROPERTIES 0506509

 March 15, 2011

I received the following information in BOLD from another member. I don't know if the information is True or False, but if anyone on AR knows whether or not it's true, it might help all of us with fuel costs.


I don't know what you guys are paying for gasoline.... but here in California we are paying up to $3.75 to $4.10 per gallon. 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. You should be pumping on low mode, 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. 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.

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Gary Woltal
Keller Williams Realty - Flower Mound, TX
Assoc. Broker Realtor SFR Dallas Ft. Worth

Patricia, I think some of these tips can have a slight effect but a high MPG vehicle would have the biggest effect in stretching the cost savings...

Mar 15, 2011 11:17 AM #1
David Spencer
Keller Williams Northland - Kansas City, MO
Show Me real estate in Kansas City

Yes these are all good points to consider at the current price of gas. Chicago is a good example of some of the points raised. On real cold days, I do not completely fill the tank. If I fill it to the top and then park my car in the garage, I run the risk of gas overflowing on to my garage floor when it expands from the warmth. Not good economics. On warm days the gas expands meaning less gas to the gallon, so early morning fillling is a good idea.

Recommendations are a good practice because gas is not going down in price for quite awhile.

Mar 15, 2011 11:23 AM #2
Sharon Lee
Sharon Lee's Virtual Assistance - Jonesborough, TN
Retired and loving life

Patricia-Since I don't have a concrete proof answer but just reading it, it does make sense. Well at least to me. I do agree with Gary on a car that gets more MPG would be the most cost effective but I think that this info just makes sense and I am going to try it and I will let you know my findings. Great info. Now I think this deserved a gold star and NOT a red X but since I am not in charge of that I have no power in that. Just my opinion that it is worthy of a gold star better known as a feature. Enjoy your evening my friend.

Mar 15, 2011 12:17 PM #3
Roy Kelley
Realty Group Referrals - Gaithersburg, MD

Very good tips to help us save on the cost of fuel. Thanks for sharing the tips.

 Life is better when there are flowers in the garden!

Mar 15, 2011 12:58 PM #4
Navona Hart
Real Living Cornerstone - Farmville, VA
Selling the Best Properties in Central Virginia

Patricia, I am struggling with the cost of gas!  I would love for there to be many ways to save.  My biggest way to save is to drive the speed limit.  My dad swears by the 1/2 of tank and then fill up rule!

Mar 15, 2011 01:39 PM #5
Marchel Peterson
Results Realty - Spring, TX
Spring TX Real Estate E-Pro

Patricia, I just got this email also and I was also wondering if it was true.  I have not had time to investigate so maybe someone will know the answer for us.

Mar 15, 2011 02:38 PM #6
Kristine Ginsberg
Elite Staging and Redesign, LLC - Short Hills, NJ
NJ Home Stager

Patrica - I had no idea that gasoline evaporates so quickly when your tank is half full - I usually wait to I'm driving on fums - not anymore thanks to your post~

Mar 15, 2011 05:13 PM #7
Patricia Feager, MBA, CRS, GRI,MRP
Selling Homes Changing Lives


There are so many lessons here to be learned. We are living in a different world and maybe we have taken "filling up the gas tank," for granted. As some of you pointed out, my father was also one of those people who never believed in letting the gas tank go down to empty and to get it filled when the tank was a half a tank. I never asked him why, and now it's too late. So it looks like we are all going to have to learn ways to save gasoline.

It appears that this is a legitimate email from a reliable source and your input is so valuable. I've learned a lot already from all of you and I hope we get more input from others on AR. The evaporation part really surprised me. I realize now that when it comes to filling up my gas tank, I'm not very smart but with the price of gasoline and the rising cost of gas and oil, it's never to late to learn.

Thanks to all... hopefully, we can get more information from other people out there.


Mar 15, 2011 11:59 PM #8
Richard Weeks
Dallas, TX
REALTOR®, Broker


Great information, thanks for sharing.  I have heard a couple of these suggestions before, but some I had not heard before.

Mar 16, 2011 02:31 AM #9
Patricia Feager, MBA, CRS, GRI,MRP
Selling Homes Changing Lives


Great! I'm glad I put it out there. I think we can all learn something.

Nice to hear from you!


Mar 16, 2011 05:31 AM #10
Gloria Todor
Century 21 Absolute Realty - Springfield, PA
& Doug Durren (484) 431-3686 in SE PA

Hi Patricia, I've heard of these things off and on over the years.  I must say that for years if I see a gasoline truck in the station I go elsewhere.  



Mar 16, 2011 02:55 PM #11
Dale Baker
Baker Energy Audits and Commercial Properties Inspections - Claremont, NH
New Hampshire Relocation Real Estate Information

Howdy and morning to you Patricia

Patricia, being the age that I am, I learned many many moons ago not to ever fill up when there is a gasoline truck is at the station. Plus most of the others also.

Have a good one
Dale in New Hampshire

Mar 16, 2011 08:31 PM #12
Patricia Feager, MBA, CRS, GRI,MRP
Selling Homes Changing Lives


That's funny that you say that... I do the same thing, but I don't know why I do it! It just comes automatic. I'm sure I learned it along the way through life experiences.

Well, it looks like the article isn't wrong at all....

Thanks Gloria. Have a great day!

Mar 17, 2011 02:15 AM #13
Patricia Feager, MBA, CRS, GRI,MRP
Selling Homes Changing Lives


Thanks for confirming this bit news that will forever more stick with me. I appreciate hearing that from you!

Make it a great and wonderful day!


Mar 17, 2011 02:17 AM #14
Joshua Zargari
MJ Decorators Workshop LI staging and home decorating - Lynbrook, NY
MJ Decorators Workshop

Hi Patricia!

That is a great post...With the price of gasoline at almost $4 a gallon, any tip to save gas is welcomed.

Mar 18, 2011 10:59 AM #15
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