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Fuels & Lubricants Discussion all about Fuels & Lubricants. synthetic oil, conventional oil, brands, change intervals, diesel grades, gelling and such debated items like that. Non TDI related postings will be moved or removed. This forum is NOT for the discussion of biodiesel and other alternative fuels.

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Old June 26th, 2018, 22:30   #1
tikal
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Default Exxon Synergy Diesel Efficient, marketing from Exxon?

I saw this at a nearby fuel station recently. Marketing gimmick from Exxon or is there a substance to this?

"Vehicle testing showed an average fuel economy improvement of 2 percent."



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Old June 27th, 2018, 16:19   #2
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2% is less than the variance I see in prices in my area...
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Old June 28th, 2018, 06:30   #3
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If the gain is REAL then I would assume there would be long lineups of 18 wheelers since any small gain is attractive to them !! Hence the big spoilers on the cab or built in on the sleeper cab as well as the skirts on the trailer.



Having said that, you can print anything you want.
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Old June 28th, 2018, 07:20   #4
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Quote:
Originally Posted by Jetta_Pilot View Post
If the gain is REAL then I would assume there would be long lineups of 18 wheelers since any small gain is attractive to them.
Except the fact is pretty much all Exxon stations are geared towards smaller vehicles (car, SUV, light pickup) which is who they direct their marketing towards. I just used an Exxon on Long Island recently - only had one diesel pump well off to the side and is a bit of a chore to get a big rig in/out of there. Was an older pump without any of the marketing hype the OP saw at his station. I refueled there because it was $2.99 compared to $3.15 and up seen at all other stations on Long Island.

Additives are useful for keeping the fuel system clean but not so much for improving fuel economy from what I've seen. After all, that is what they are marketing - a detergent additive. Also possible they used a lesser grade of diesel for the test as that is what the fine print alludes to: "Applies to Mobil and Exxon Diesel-Efficient branded fuel compared to diesel fuel without detergent additive."

Now if one usually uses additives then stops using same one's fuel economy goes down. One summer long ago I ran out of additive and didn't use any for a few months. (This was back when I had my old A4 Jetta with the tried and true ALH motor.) Well, my fuel economy dropped slowly. A friend gave me a new additive to try and on the first tank I gained 5 mpg! So using additive cleans the fuel system out which is where that gain came from. Of course, using additive on a regular basis one will not see the numbers improve.

So Exxon may be just including an additive in their fuel specifically branded as "Diesel-Efficient" as opposed to the car owner adding additive themselves which many of us do. So yeah, using this 'special' Exxon diesel fuel may be convenient when the weather is bad, extremely hot or cold to minimize one's time standing outside refueling / not messing with additive.
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Old June 28th, 2018, 12:53   #5
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I'm guessing this is Exxons version of shell v power diesel... Which if it is, it's going to be more expensive and probably not worth it (in my opinion)
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Old June 28th, 2018, 15:12   #6
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Could simply be I'm old and Cynical but I don't buy it for a minute. I call HYPE. It will increase sales regardless as some will buy into it. My car runs fine without additives so for me it's the old "if it ain't broke don't fix it" logic at play. Why would any oil company spend a single dime on something like this (additives) when a simple marketing campaign alone will net them the results they are looking for?
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Old June 28th, 2018, 17:45   #7
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https://www.exxon.com/en/diesel-efficient

they market this to the big rigs as well as cars.

Tikal, thanks for letting us know. I'll be looking for it in San Antonio.
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Old June 29th, 2018, 09:47   #8
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Marketing. A 2% average difference in specific fuel consumption is impossible to measure in real world driving and they know this and are hoping the Placebo effect will reel in some people.
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Old June 29th, 2018, 18:07   #9
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Quote:
Originally Posted by Ol'Rattler View Post
Marketing. A 2% average difference in specific fuel consumption is impossible to measure in real world driving and they know this and are hoping the Placebo effect will reel in some people.
Watch some of the testimonials from the trucking companies. They have determined that there's a real benefit.
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Old June 30th, 2018, 20:21   #10
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I think here is part of the 'catch':

Quote:
Originally Posted by 251 View Post
Also possible they used a lesser grade of diesel for the test as that is what the fine print alludes to: "Applies to Mobil and Exxon Diesel-Efficient branded fuel compared to diesel fuel without detergent additive."
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Old July 3rd, 2018, 14:41   #11
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2% of a million miles isn't the same as 2% of 10k miles. Much less noticeable in the smaller mileage example. Trucking companies that do high miles see a difference and a savings but a regular small commuter probably wouldn't even notice.
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Old December 17th, 2018, 06:26   #12
tikal
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Default Synergy Diesel Efficient fuel for passenger vehicles spotted in League City, TX

Over the weekend I was walking by this station in League City, TX and I saw this pump. I did not research any further whether it actually has or not the specified fuel type:





Price per gallon was around 7% higher than average D2 in the area.
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Old December 18th, 2018, 12:27   #13
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Quote:
Originally Posted by tikal View Post
Over the weekend I was walking by this station in League City, TX and I saw this pump. I did not research any further whether it actually has or not the specified fuel type:


Price per gallon was around 7% higher than average D2 in the area.
OK that answers they question on my mind. You get a maybe ? 2% mileage gain at a 7% higher fuel cost. Where does any savings come in ??? Regardless of 2 million miles or 10,000 miles !
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Old December 18th, 2018, 17:55   #14
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Jetta_Pilot the 7% change is based on a very rough estimate in 'my neighborhood', nothing scientific really and perhaps I should not have posted it.
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Old December 22nd, 2018, 20:04   #15
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In my area it’s 30 cent a gallon cheaper 2.99


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