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DawnPatrol
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Just to throw in some other information:
Last week we were in Vizcaino, on the way to Sta Rosalia.
We all have pre-2007 diesels, except we knew a guy who went to Sta Rosalia in a 2015 Chevy diesel and we were a little concerned for him in regards to
the hi-sulphur diesel.
When we were filling our older diesels, we asked the attendant if he knew if there were any stations selling the low-sulphur diesel (we had a friend
who speaks Spanish with us).
He said the station the farthest south in Vizcaino sold the low-sulphur, but there rest in town did not
What that means about gasoline and where it comes from in Vizcaino, he said all the gasoline comes "from the south"
[Edited on 5-8-2015 by DawnPatrol]
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David K
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The diesel of the past has been LOW Sulfur (Bajo Azufre)... then the new formula became ULTRA LOW Sulfur (UBA) with the change.
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BajaNomad
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Apparently Pemex also delayed ultra low sulfur fuel reconfigurations/upgrades at Salina Cruz, Tula, and Salamanca refineries due to lower oil prices
in the beginning of 2015:
http://www.reuters.com/article/2015/02/16/mexico-pemex-idUSL...
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BajaNomad
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Continued info...
And since they won't be upgrading right now, for 2015, they expect to import 262.3 thousand barrels a day of clean (UBA) diesel, Magna, and Premium -
much of this from the USA:
http://www.eluniversal.com.mx/finanzas-cartera/2015/impreso/...
Since the Salina Cruz refinery does not produce Magna UBA or Diesel UBA (see attached photo - stats are for all of 2013) - much of the fuel from the
USA is going to the west coast, and certainly to Baja California, as well as Baja California Sur. BC gets only Diesel UBA, and that is coming from
the USA right now. BCS's diesel appears to be originating from the Salina Cruz facility.
[Edited on 5-9-2015 by BajaNomad]
When I was young, I admired clever people. Now that I am old, I admire kind people.
– Rabbi Abraham Joshua Heschel
We know we must go back if we live, and we don`t know why.
– John Steinbeck, Log from the Sea of Cortez
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BajaNomad
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And per another Pemex doc:
"Algunas gasolinas pueden contener un éter de alto octanaje (éter metil terbutílico) en concentración entre 7 y 11% en volumen."
Some of the gasolines contain MTBE - anywhere from 7-11%.
Here are more specs from that doc regarding Magna and Premium...
[Edited on 5-9-2015 by BajaNomad]
When I was young, I admired clever people. Now that I am old, I admire kind people.
– Rabbi Abraham Joshua Heschel
We know we must go back if we live, and we don`t know why.
– John Steinbeck, Log from the Sea of Cortez
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Bob and Susan
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for us "simpletons"...
ok...what does this mean?
i'm interested...
are there different chemicals in Mexican gas
or usa gas or is the usa gas just "smog stuff"
or does it really matter
what do all these chemicals do for us
the air IS a lot cleaner in LA now
compared to 20 years ago
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KurtG
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The site is on the east side of the highway south of the wrecking yard by the BOLA turnoff. As of last month the site was fenced off and had a sign
announcing the new station but as of that time I saw no construction activity.
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BajaNomad
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The gasoline in Mexico and the USA are very similar - and both, to my knowledge, follow the ASTM standards for motor fuels. California tends to enact
some of it's own stricter specs on top of this (which may make it more different from gasoline in both Baja, and say - Texas). I'm most familiar with
the ASTM D4814 as that pertains to gasoline (not diesel though) - and even then, I am no expert.
If I was to summarize the most significant differences in the gasoline being distributed in Mexico versus the USA, it would be:
- Mexico appears to exclusively use MTBE as an oxygenate, while MTBE use is banned in many USA states now.
- Fuel volatility - to some degree, having to do with climate.
Regarding MTBE - it's works great in the automotive engines, but has recently been viewed as terrible for the environment (and terrible for humans to
be exposed to).
http://en.wikipedia.org/wiki/MTBE_controversy
http://www.epa.gov/mtbe/water.htm
http://sd.water.usgs.gov/nawqa/vocns/mtbe_hh_summary.html
Regarding volatility - it's all about a good "driving experience". As an example, gasoline is comprised of multiple components (ingredients, if you
will), and must take into consideration how easy it will be to vaporize the fuel to start the car. In colder climates the gasoline must vaporize more
easily, but if you used that same fuel in warmer climates (or in the summer in the same location), the car might vapor lock.
So, the gasoline available in Baja will have similar volatility to the gasoline in San Diego (or perhaps a better example might be in Arizona or
Texas?) through most of the year, but would be significantly different than the gasoline distributed in December in Buffalo, NY.
The volatility standards followed in the various Mexico regions is noted in the image where it notes: AA, A, B, etc. - these reflect they are
following ASTM standards.
Here's a great PDF from Chevron on motor gasolines:
http://www.chevron.com/documents/pdf/MotorGasTechReview.pdf
[Edited on 5-9-2015 by BajaNomad]
When I was young, I admired clever people. Now that I am old, I admire kind people.
– Rabbi Abraham Joshua Heschel
We know we must go back if we live, and we don`t know why.
– John Steinbeck, Log from the Sea of Cortez
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Affordable Domain Name Registration/Management & cPanel Web Hosting - since 1999 |
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Bob and Susan
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opps...124 pages of small print...I saved it for a "rainy day" : )
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Bajahowodd
Elite Nomad
Posts: 9274
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Quote: Originally posted by DawnPatrol  | Just to throw in some other information:
Last week we were in Vizcaino, on the way to Sta Rosalia.
We all have pre-2007 diesels, except we knew a guy who went to Sta Rosalia in a 2015 Chevy diesel and we were a little concerned for him in regards to
the hi-sulphur diesel.
When we were filling our older diesels, we asked the attendant if he knew if there were any stations selling the low-sulphur diesel (we had a friend
who speaks Spanish with us).
He said the station the farthest south in Vizcaino sold the low-sulphur, but there rest in town did not
What that means about gasoline and where it comes from in Vizcaino, he said all the gasoline comes "from the south"
[Edited on 5-8-2015 by DawnPatrol] |
The station you refer to has been on the mierda list for years as having gamed pumps.
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