# Gas Pumping Tips. Any truth?

**URL:** <https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872>\
**Category:** Factual Questions\
**Created:** [November 27, 2007, 2:54am UTC](https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872 "2007-11-27T02:54:17Z")\
**Posts on this page:** 7\
**Page:** 3

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**Author:** ![jjimm](https://avatars.discourse-cdn.com/v4/letter/j/ba8739/32.png) [@jjimm](https://boards.straightdope.com/u/jjimm)\
**Post date:** [December 19, 2007, 2:08pm UTC](https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872/41 "2007-12-19T14:08:13Z")

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[QUOTE=Dead Cat]  
Given our climate, are you sure it wasn’t rather watered down by the time it finally disappeared? 🙂  
[/QUOTE]  
Summer of '95. It didn’t rain for months!

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**Author:** ![Q.E.D](https://avatars.discourse-cdn.com/v4/letter/q/51bf81/32.png) [@Q.E.D](https://boards.straightdope.com/u/Q.E.D)\
**Post date:** [December 19, 2007, 2:57pm UTC](https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872/42 "2007-12-19T14:57:43Z")

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[QUOTE=jjimm]  
I left a bucket of gasoline in my driveway (I accidentally put gas in my friend’s diesel car, so had to drain the entire tank to flush it, but saved a bit to fill my lawnmower - then forgot) and it took about two weeks to evaporate.  
[/QUOTE]

Well, there you go. Nothing like a little ad hoc empirical data to put a lid on things, so to speak.

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**Author:** ![wolfman](https://avatars.discourse-cdn.com/v4/letter/w/a8b319/32.png) [@wolfman](https://boards.straightdope.com/u/wolfman)\
**Post date:** [December 19, 2007, 4:02pm UTC](https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872/43 "2007-12-19T16:02:40Z")

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[QUOTE=Rick]  
**Q.E.D.** nailed it in one. The only thing I would add is that cars also have huge fuel filters now a days to keep crap out of the fuel injectors.  
[/QUOTE]

Yeah, but sputtering to a halt at 10 below going up Eisenhower pass because a big glob of sludge broke loose and clogged the filter ain’t a whole lota fun either.

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**Author:** ![Merijeek](https://avatars.discourse-cdn.com/v4/letter/m/f05b48/32.png) [@Merijeek](https://boards.straightdope.com/u/Merijeek)\
**Post date:** [December 19, 2007, 6:01pm UTC](https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872/44 "2007-12-19T18:01:26Z")

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[QUOTE=CookingWithGas]  
What is the baseline temperature used to calibrate these? That is, at what temperature do you get a true gallon when the gauge indicates 1 gallon?  
[/QUOTE]

Not sure at the actual pumps, but on refinery terminals it’s a pretty big deal to track the volume pumped along with the temperature. Now, they might just be doing it for fun, or they might not have the temperature compensators that people are talking about, but there is at least something to it.

However, I’d be inclined to believe the “I’m likely to save only a few dollars in the course of my lifetime” line of thinking.

-Joe

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**Author:** ![jjimm](https://avatars.discourse-cdn.com/v4/letter/j/ba8739/32.png) [@jjimm](https://boards.straightdope.com/u/jjimm)\
**Post date:** [December 20, 2007, 7:36am UTC](https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872/45 "2007-12-20T07:36:43Z")

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[QUOTE=Q.E.D.]  
Well, there you go. Nothing like a little ad hoc empirical data to put a lid on things, so to speak.  
[/QUOTE]  
Would that I had put a lid on it!

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**Author:** ![Santo\_Rugger](https://avatars.discourse-cdn.com/v4/letter/s/e95f7d/32.png) [@Santo\_Rugger](https://boards.straightdope.com/u/Santo_Rugger)\
**Post date:** [December 20, 2007, 7:39am UTC](https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872/46 "2007-12-20T07:39:20Z")

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[QUOTE=jjimm]  
Would that I had put a lid on it!  
[/QUOTE]

Umm, can you repeat this in American English, please? 🆒

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**Author:** ![jjimm](https://avatars.discourse-cdn.com/v4/letter/j/ba8739/32.png) [@jjimm](https://boards.straightdope.com/u/jjimm)\
**Post date:** [December 21, 2007, 12:52am UTC](https://boards.straightdope.com/t/gas-pumping-tips-any-truth/427872/47 "2007-12-21T00:52:08Z")

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[QUOTE=Santo Rugger]  
Umm, can you repeat this in American English, please? 🆒  
[/QUOTE]  
If I had put a lid on the bucket of gasoline, I would have had enough of said substance to fuel my lawnmower.

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