this post was submitted on 01 May 2024
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Found it. Since the gas goes through the same hose as the other blends, if you're buying gas you need to get at least 4 gallons so the previous gas flushes out what was left in the hose from the previous sale, and fills enough of the container that the blend is primarily what you selected.
If you buy E15 and fill your tanks, then the next guy buys E10 and only gets 1 gallon, they might end up with a higher ethanol mix than intended, and if they use that on a small motor, like a chainsaw, it could ruin the seals.
I'm in Europe and I have never in my life seen a gas station that dispenses every fuel through just one hose.
Every fuel has its own hose and "pistol". Each "pump" has two or three or four hoses.
In America, if a corner exists a company will cut it.
It feels like blending hoses would be a more complicated setup?
Multiple tanks hooked up to one valve and hose vs. multiple tanks with their own separate valves and hoses.
Obviously, it's a different kind of valve in the first setup to prevent backflow into other lines, but that's probably about the extent of it. With the second setup, you probably need to run a new line and pump for each station for each gas type, compared to just tying the tanks into the one valve and pump per station.
I'm not a plumber or anything, though, so take it with a grain of salt.
I feel like we should specific for Europeans or whomever that there is definitely a different hose for Diesel