Chevron Conspiracy?
I seem to have trouble finding discussion of gas mileage
for the same vehicle from one major brand to the other. I drive a 2012 Prius and regularly compare the mileage I get with the same type of driving from one brand to the other. I consistently find that among Shell, Chevron and 76, I get the poorest mileage with Chevron. Chevron is worst by as much as 3 to 4 mpg. My cynical side says this is a way for Chevron to extract more purchases from their loyal Techron affectionadoes who never try another brand. Any thoughts? |
They may be just tossing in some extra ethanol.
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I've noticed this with Marathon. Just saw it with a couple of tanks, going back and forth from different brands. Saw it especially with diesel fuel. Didn't keep studying to try to prove it was fact. Just quit going. Never use Chevron so don't know
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In the UK I used to get slightly worse mileage with one particular supermarkets own brand of diesel.
I later read the small print on the pump, it was mixed with minimum 7% biodiesel... Biodiesel may be great if priced lower, but running pure biodiesel in a '92 1.7 Astra I used to get about 42 mpg (imp) but around 54 mpg (imp) running on regular diesel. I would expect any diesel pump mixed with biodiesel to give fewer miles per gallon, presumably its the same with petrol missed with ethanol. |
Is this observation from a single station?
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I usually fill up with Chevron 94 (non ethanol) and get best performance and mileage.
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If you get better MPG with gas/diesel that costs more are you saving any $ ? :rolleyes:
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More in interested in the performance of the fuel, I don't want any pre ignition and Chevron has the best cleaner for fuel systems. I understand that all manufacturers in the US ship Chevron fuel to their plants when doing EPA mileage tests. |
The EPA tests use a special test blend that you won't find at the local gas station.
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Never used enough Chevron to notice any difference. I just use Fuelly and buy the cheapest gas I can find. $1.749 for the last few weeks. I do see fairly large discrepancies when filling at stations other than the local Costco, which has a drainage depression which, when my front wheels are in the depression, I get much more consistent MPGs, tank to tank.
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EPA uses Certification Gasoline.which is high octane pure fuel with no ethanol in it. That's what I use. If no Chevron stations in the area where I fill up I then use Shell 91 with no ethanol.
Never have had a fuel related problem with any of my cars. ( as long as filled up with non ethanol) |
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:)Have a friend near Anaheim who loves the drive north to treat her car with pure gas.
At least California does not sell the fuel they have in Montana :eek: |
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