| Diesel engine designs striving to
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| | There is no telling how long that fuel
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| increase engine performance have made
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| | has been in the distribution network and
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| great advancements in engine fuel
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| | how many times it has been transferred.
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| delivery to the combustion chamber.
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| | Seldom do these distributors filter the
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| Today's diesel engine is quieter,
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| | fuel as they transfer it.
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| smoother, and more powerful. But today's
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| | The solution: Multifunctional diesel
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| diesel engine owners are overlooking one
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| | additive packages and hardware.
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| important factor. The quality of today's
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| | For your single vehicle or fleet the
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| diesel fuel has not advanced at the same
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| | improvement of fuel quality by the use of
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| rate as the engine improvements.
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| | additives and current technology is
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| Diesel fuel begins to deteriorate as soon
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| | always a good choice.
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| as it is produced. Within 30 days of
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| | Many diesel fuel additive packages
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| refining, all diesel fuel regardless of
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| | address the key issues with respect to
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| brand, goes through a natural process
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| | fuel performance; some improve fuel
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| called re-polymerization and oxidation.
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| | economy, increase lubricity, improving
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| This process forms varnishes and
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| | cold flow, and improve cetane number. And
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| insoluble gums in the fuel by causing the
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| | some only address the issue of rust and
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| molecules of the fuel to lengthen and
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| | corrosion, but all should be considered.
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| bond together. These components now drop
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| | Most diesel fuel additives contain
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| to the bottom of the fuel tank and form
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| | combustion improvers that release oxygen
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| asphaltene also known as diesel sludge.
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| | during the compression stroke. This
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| The fuel begins to turn dark in color,
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| | allows combustion to start sooner,
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| smell bad, and in most cases causes
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| | providing for a more complete fuel burn.
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| engines to smoke. The engines smoke
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| | A more complete burn provides all the
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| because some of these clusters in the
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| | power your fuel and engine is capable of
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| early stages are small enough in size to
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| | producing. As combustion improvers and
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| pass through the engine filtration and
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| | you get a smoother running engine, an
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| into the combustion chamber. As these
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| | increase in horsepower that improves fuel
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| clusters increase in size, only part of
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| | economy and the reduction in black smoke
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| the molecule gets burned. The rest goes
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| | emissions.
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| out the exhaust as unburned fuel and
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| | Cetane is a performance rating of a
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| smoke. With increases in cluster size
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| | diesel fuel, a higher cetane number or
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| they begin to reduce the flow of fuel by
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| | cetane rating indicates greater fuel
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| clogging filters. The filters only
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| | efficiency. The fuel's cetane influences,
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| address the symptom and not the cause.
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| | duration of white smoking after start-up,
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| It is estimated that eight out of every
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| | drivability before warm-up, and intensity
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| ten diesel engine failures have been
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| | of diesel knock at idle. Increase the
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| directly related to poor quality and
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| | cetane number of a fuel and you have
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| contaminated fuel. The build-up of
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| | improved performance.
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| contaminates in the fuel systems and
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| | In diesel fuel systems, the fuel provides
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| storage tanks can quickly clog filters,
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| | lubrication for the fuel pump and
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| thus resulting in engine shut down, fuel
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| | injectors. A fuel with poor lubricity can
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| pump wear, and diesel engine damage.
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| | cause excessive wear and premature
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| Understand that most fuel has some amount
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| | failure of these components. Improve
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| of water in it from either condensation
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| | lubricity and extend engine life.
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| or vents. This threat requires that we
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| | Diesel fuels have pour points (the lowest
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| realize the added burden placed upon
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| | temperature at which an oil or other
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| diesel fuel as opposed to gasoline.
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| | liquid will pour under given conditions)
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| Gasoline acts as a fuel only. Diesel
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| | within the range of normal winter
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| fuel, on the other hand, also must cool
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| | temperatures. As a fuel approaches its
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| and lubricate injection system parts.
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| | pour point, paraffin in the fuel form wax
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| These parts are engineered to very close
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| | crystals that prevent it from flowing.
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| tolerances - up to 0.0002 of an inch -
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| | Flow-improver additives modify the wax
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| and any contamination means rapid part
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| | crystals, lowering the pour point of the
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| wear. Water displaces the diesel fuel.
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| | fuel and give better cold weather
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| When the fuel is displaced wear occur
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| | performance.
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| because lubrication is now absent.
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| | For on-sight storage tanks other issues
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| Water that enters the combustion chamber
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| | must be looked at. On-sight storage tanks
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| results in even more serious damage. When
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| | always have a small amount of the first
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| it comes in contact with the heat of the
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| | gallon of fuel ever put in them, unless
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| combustion chamber (in excess of 2000
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| | it is drained 100% and cleaned. So adding
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| degrees F), it immediately turns to steam
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| | new, fresh fuel always has a bit of the
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| and often explodes the tip of the
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| | bad added to it every time fuel is
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| injector. Water causes corrosion of
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| | purchased. Diluting the bad with good
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| tanks, lines, injectors, and greatly
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| | over time is a loosing battle. The fuel
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| reduces combustibility.
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| | will always be bad fuel until the core
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| Other areas of concern include the
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| | problem is addressed
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| producing more exhaust emissions and
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| | The order of treatment for fuel related
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| effecting EPA standards.
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| | problems should always begin with a
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| Bacteria also present a serious problem.
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| | determination of whether there is water
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| Bacteria feed on nitrogen, sulfur, and
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| | in the fuel and if the fuel has microbes
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| iron that may be present in the fuel or
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| | (fuel bugs) in it. Water Paste and Fuel
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| tank.
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| | Test Kits can be used for this stage of
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| Then there are algae. There are
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| | maintenance. If microbes are detected,
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| absolutely no algae in diesel fuel. You
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| | then the use of biocides is needed.
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| may have fungus and microbial
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| | Biocides have no effect on and will not
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| contamination but no algae. This is a
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| | eliminate the sludge problem. Biocides
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| misnomer for diesel sludge. So if you
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| | kill bacteria, that's all!
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| have a diagnosis of ALGAE and add a
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| | The water issue should always be remedied
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| biocide, you have done two things, 1)
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| | first by the use of fuel water separators
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| found a mechanic that is wrong and 2)
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| | on the tank or on the equipment. Next a
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| done nothing to fix the problem.
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| | multifunctional chemical additive should
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| Why is there so much bad fuel?
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| | be added to improve fuel performance and
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| The number one reason is due to the
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| | then if needed a problem specific
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| increased popularity of diesel power and
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| | additive to dissolve diesel sludge and or
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| the accompanying increased demand for
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| | a rust inhibitor to protect steel tanks.
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| more diesel fuel. There was a time when
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| | For long-term prevention, the use of
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| diesel fuel remained in the refinery
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| | magnet fuel conditioners is recommended.
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| storage tanks long enough to naturally
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| | These devices continually reverse the
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| separate and settle, allowing the clean
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| | re-polymerization of the fuel during
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| fuel to be drawn off. Now with increased
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| | circulation and reduce the need for
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| demand, diesel fuel never remains
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| | ongoing additive use. All the needed
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| stationary long enough for settling, and
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| | cures are available from Dieselcraft
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| the suspended water and solids are passed
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| | Fluid Engineering at
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| on to you, the user.
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| | Conclusion
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| The change in refinery techniques is
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| | There is no good time to find out that
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| another problem. In order to get more
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| | your engine won't operate or that half
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| products per dollar; diesel fuel is now
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| | its life span is gone prematurely because
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| being refined from more marginal portions
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| | of contaminated or poor quality diesel
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| of the crude oil barrel. This results in
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| | fuel. Since no one can predict a
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| a lower-grade product that is inherently
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| | breakdown, the only safe method is
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| thicker and contains more contamination.
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| | prevention.
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| Thirdly, current fuel distribution
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| | Realize now that you do have a problem,
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| methods also have a negative impact on
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| | and manage it now, or deal with the
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| the condition of the fuel at the time of
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| | unexpected catastrophe and reduced
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| delivery. In many cases, brokers control
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| | equipment life that comes at the
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| fuel sales to major distribution
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| | absolutely wrong time and is not in the
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| terminals and determine delivery dates.
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| | budget!
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