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What is Bad Fuel?

Posted April 13, 2010 9:00 AM by algaex

Fuel is made to certain ASTM specifications. When it does not meet these standards, we could refer to it as "bad fuel". We also tend to refer to diesel as "bad fuel" when we see symptoms such as dark hazy fuel, filter plugging, sludge buildup in tanks, poor engine performance, excessive smoke and emissions, etc.

We refer to fuel as "good fuel" when diesel is clear and bright. Often, however, no reference is made at all to such fuel. We simply use it and take fuel quality and peak engine performance for granted.

The following ASTM chart lists the properties for Low sulfur No. 1-D, No. 1-D, Low Sulfur No. 2-D, No. 2-D, and No. 4D.

See the Chart (FAQ #6)

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#1

Re: What is Bad Fuel?

04/14/2010 10:16 AM

All this text to talk about bad fuel just to sell their product. At least the information provided seemed to be accurate if a bit sensationalized.

In the Air Force, we have a dormant stock policy where we have to move 2/3 of a storage tanks volume in 6 months and we test fuel samples at least every two weeks (for non active tanks).

This product if it works as advertised would be good for emergency tanks or places where fuel is stored for extended periods. Also it could be good for locations where the quality of fuel is not always known.

My criticism to this blog entry is it does not talk about the most important aspect of 'bad fuel', and that is flash-point and contamination. You would be surprised how just a little bit of gasoline can ruin a great amount of diesel fuel by raising the flash-point too high. We had a problem with a multi-product pipeline manifold where a 500 gallon section of manifold was not isolated and would become a mixture of products. We couldn't know how much gasoline was in this 500 gal, but it ruined several batches of fuel in a large (500'000 gal) tank on more than one occasion. Fortunately we were able to blend the out of spec fuel with other batches and lower the flash-point for distribution to vendors.

Drew

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#2

Re: What is Bad Fuel?

04/16/2010 3:36 AM

This whole blog (or series thereof) is a thinly disguised commercial camouflaged to mimic an information exchange. Some of the information presented is decent, so I haven't yet flagged it as abuse, but it is surely pressing the envelope. It would fit better in the commercial section.

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#3

Re: What is Bad Fuel?

05/05/2010 9:05 PM

Is CR4 no longer moderated?

This belongs in the commercial section.

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#4

Re: What is Bad Fuel?

05/06/2010 12:19 PM

Kudos to Drew for pointing out the pseudo-science scammy nature of these infomercials and for speaking for the contributing community here, who do not want to be associated with, let alone be seen as actively promoting (by offering many pages of blog space) fuel line magnets, perpetual motion machines, HHO devices, etc.

CR4 should shut down all these "blogs" by AlgaeX.

With this post (and by shutting down one of these threads) Moose has taken a good first step. CR4 might try taking the high road, as reflected in some of the the more ethical magazines, where editorial and advertising departments are not one and the same. Yes, GS is all about making money, but throwing ethics out the window, can, in fact, reduce profits. (Read Collins's Good to Great)

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