i found a mix of bio and diesel in pa wtf?
 

i was fueling up my pickup not to long ago at a sunoco in bowmansville pa when i noticed that the label on the diesel pump said they mix 5% bio in with the diesel fuel is this normal or unheard of?

its getting more common all the time, I would love to see it be mandated that a B-5 (5% bio and 95% diesel) be everywhere.

bio has better lubricity than anything out there so a B-5 blend would be fantastic

I have a place here in town where I can get bio so I make my own B-5 blend

Petro-Canada is doing it as well up here, at least at all the bulk locations I've been to.

B-7 is now sold by law in every standard diesel pump to decrease the fuel consumption in germany.

Beside from that you can get also B100('bout 10 cent cheaper per liter).with the combined disadvantage of higher fuel consumption.

I'm not that happy with B-7. It leads to sludge build up, as the german car industry found out, if you do short distance driving.
According to them it's no harm as long as you change the oil.So depending on your driving habits this leads to more oil changes. Same story as the Ethanol thing...

bio is an excellent cleaner so any sludge you get from using it is prolly just from cleaning up the fuel system:humm:

just sludge in the oil- caused by bypassing the piston rings nd dilluting the oil slowly but steadily.

I guess I dont understand that, all piston rings let some fuel slip by adding oil to the sump especially when the motor is first fired up and cold, so the fuel in the sump is a normal thing however its the job of the oil when it warms to operating temps to flash off the fuel in the oil so it doesnt get diluted and thin

so help me here to understand how bio vs regular diesel fuel concentrations are different in the oil sump and why bio would leave sludge

The same fact you stated b4, it acts as a cleaner/detergent so it could be removing cabon and sludge build up in the crank case and other oil passages?

All pump diesel in the UK is 10% Bio, and that percentage will only increase.

nope, it is already stated that more than 10% is harmful to older engines, who is going to pay for the damage?

combustion process runs is a bit more complex in diesels, it runs in several waves.
The argument first engines run on peanut oil does not work anymore on highly developed and fuel specific machines.
I have to pull my papers, its way more complex than to explain by head. Mentioned it a while ago.

Got a station in Bowman, ND that sells B20. Not much cheaper than diesel though. :ouch:

Found the reason.

Bio gets into the oil like normal fuel via the piston rings- which is normal.

The difference is the point of evaporization. Diesel evaporates t 55°C or 131°F.
Bio is different at 266°F or 130°C tht means oil get thinner over time. Leading to improper lubing of the internal engine parts. This is no problem as long as you avoid, as already mentioned, short distance driving and all sealing parts are intact.

Gambling? In my opinion it is playing against a stacked deck. Sooner or later you are going to lose.

Sorry for the delay- had to seek for it on thr puter.

so bio in the oil wont flash off till 266*f

damn I didnt know this:ouch:

So? Whats the average oil temperature? Bio will not diseappear out of the engine oil.

If it is mixed with diesel it will burn like diesel- but it still comes into the engine circuitry.
Even diesel acts in its burning behaviour like an onion with different layers of different flash points. But this is chemistry stuff and I can only repeat what the chemistry gurus explain.

Seeking for an better explanation- interesting that is a neglected fact on most english language sites.