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Old 10-21-2010, 07:43 PM   #1 (permalink)
Kevin8520
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Is one company's diesel better than another?

Okay I searched for topics related to this, but as you can imagine, I get a TON of results when I type in diesel, fuel, etc lol

Is the diesel that comes from one gas station better than another? I.E. Chevron vs. Valero?

I know you can get a bad batch of diesel on occasion, maybe from a small gas station, but if we put Chevron diesel and Valero diesel next to each other, would there be a difference?
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Old 10-21-2010, 08:47 PM   #2 (permalink)
Charlie B
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I do not think the fuel is better at one station compared to another, most states have minimun requirements with at least 40 for a cetane number, some stations advertise a higher cetane number. I think it is all in the amount a station pumps, if fuel sits to long in a tank , you have water contamination, dirt contamination and bacteria contamination. At home I try to fill up at the same station all the time , when on the road I try to use a fairly busy truck stop. just my thoughts===charlie
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Old 10-21-2010, 09:30 PM   #3 (permalink)
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Easy answer is it depends.
Like said, if the truck that brought it in is dirty, the tank at the station is dirty, not used much, ect...
Seems like everyone says the diesel itself comes from the same distribution center though. However say the trucks, tanks at the station were brand new. It still depends on brand. Each one puts in their own additive. Like Chevron has Techron and whatever everyone else has. So yes it can be better at some stations. But to add to that the additives are added to meet a set requirement. Such as cetane rating, lubrication requirements, cloud point, ect... So still your should be getting a big difference out of fuel from one station to the next.
Only thing I would say is like Charlie B said, I mainly go to only 1 station (a high use truck stop at that) and try to continue the trend of high use truck stops when I travel.
Reasoning is fresher fuel, less chance of water, dirt, basically contamination.
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Old 10-21-2010, 09:57 PM   #4 (permalink)
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Unless you get premium diesel who knows what you get.
If you'll notice the diesel pumps at most shells, ect don't have the "quality fuels" ect selling point on the diesel pump. Most diesel we sell comes from which ever terminal has the best price/amount we need on hand. Shell, Phillips, whoever knows this is standard practice I guess and doesn't place the trademark on the pump.
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Old 10-21-2010, 10:06 PM   #5 (permalink)
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If you are wondering if there is a difference between Exxon's diesel and Chevron's diesel, vs Valero's diesel, etc, the answer is NO. It's all fungable product as per API and ASTM standards. They actually buy and sell between eachother all the time. It's anyone's quess from which refinery the product actually comes from. That being said, if the Valero station around the corner has brand new tanks in the ground, and the Citgo station down the street has 30 y/o tanks in the ground, the Citgo station will probably have dirtier fuel. Same thing goes for the quality of the delivery trucks. Old shitty tanker trucks will have what looks like poop in the bottom of them. Some of that poop ends up in the fuel delivered to the station.
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Old 10-22-2010, 01:41 AM   #6 (permalink)
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Quote:
Originally Posted by SLT223 View Post
If you are wondering if there is a difference between Exxon's diesel and Chevron's diesel, vs Valero's diesel, etc, the answer is NO. It's all fungable product as per API and ASTM standards. They actually buy and sell between eachother all the time. It's anyone's quess from which refinery the product actually comes from. That being said, if the Valero station around the corner has brand new tanks in the ground, and the Citgo station down the street has 30 y/o tanks in the ground, the Citgo station will probably have dirtier fuel. Same thing goes for the quality of the delivery trucks. Old shitty tanker trucks will have what looks like poop in the bottom of them. Some of that poop ends up in the fuel delivered to the station.
And that is why you need better than 4 micron rated fuel filters on your Dmax! Says it all. New tanks - old tanks they all have poop in them....
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Old 10-22-2010, 07:00 AM   #7 (permalink)
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In my section of the country, most of the diesel comes from the pipeline, but there are some refined in the nothern part of the state. All the diesel starts out the same, but the additives that each company puts in are different as someone already stated, and how much contamination a tank has in it affects the product. With all the regulations and working at some UST sites (underground storage tank) I doubt you have many stations with 30 year old tanks, although I won't say there ar none, but the odds are with the EPA laws you won't find many.
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Old 10-22-2010, 09:07 AM   #8 (permalink)
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Last year I contacted Power Service while I was having problems with their products and according to the engineer they test fuel samples from each state. The fuel samples that came out of MT showed Cenex being the best fuel available.
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Old 10-22-2010, 11:10 AM   #9 (permalink)
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Nope. Its basically all the same. The only thing that matters is what station will have water in their fuel tanks that can mess up your fuel system. That is what is hit and miss otherwise fill up at mom and pop or a big name it shouldn't matter
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Old 10-22-2010, 12:00 PM   #10 (permalink)
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Gas or diesel it all comes from tank farms nearest to the dispensing stations location. It's all the same stuff. Most important is how clean the fuel is kept from the tank farm to you fuel tank.
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