Vegetable Oil as an Emergency Fuel?

[J_dude]

Did you only read that far into my post? I addressed that immediately after the part you quoted. Although not ideal, there is absolutely no reason to think a CR would fail suddenly from clean vegetable oil heavily diluted in diesel fuel during a short drive in emergency conditions.

Indeed I did. I guess the second part of my comment was more about the engine oil idea. I'll admit it wasnt exactly obvious. Lol

 

[atc98002]

Although generally not advised long term, there are even a few cases of people successfully running high mileages in modern Bosch CR engines on waste vegetable oil.

And there's also cases of people trying B100 (which stands a better chance of success than WVO) and barely going any distance before alerts triggered and things began messing up. CR engines have much higher temps at the injector, and running an inappropriate fuel will immediately begin having issues. How far one can go before they are messed up beyond repair, I can't say. But damage was found with very low mileage with the B100 attempts. WVO would have issues even faster. And that Elsbett system would be completely illegal in the US.

 

[casioqv]

If you read the fine print "The modification kit is not suitable for an engine with an original FAP / DPF system" - so actually not engineered for the OP's vehicle.

What they are saying in a "diplomatic" way is that to modify the engine for SVO/WVO you would need to delete the DPF. Again, I'm not suggesting anyone get that kit or delete a DPF, just linking it for illustrative purposes.

And there's also cases of people trying B100 (which stands a better chance of success than WVO) and barely going any distance before alerts triggered and things began messing up

I wouldn't assume that, B100 and SVO are totally different things. I'm pretty skeptical of peoples "problems" with B100 because most B100 (even commercial) is pretty bad and has tons of particles, water, and methanol in it. I could see a modern CR engine almost immediately throwing codes on a different fuel because the NOx sensors aren't picking up expected values, etc. but that still doesn't mean you will be stranded or have permanent mechanical damage.

There are plenty of people out there with tons of miles on B100 in common rail diesel trucks that have all the same BOSCH components as the CR TDIs.

 

[aatx73]

True, but that's not the same as the OP was proposing. RD meets all the specs of dino diesel, so it's a drop in replacement. Most people probably don't even realize RD has any biostock in it.

That's true. I'm familiar with Neste's renewable diesel which they claim is chemically the same as fossil diesel. There's no biodiesel in it, but it is rated R99 because of the 1% fossil diesel they have to include for a tax credit.

 

[joshetude]

"Yeah, just diesel makes more sense but it’s easier to get a quart of vegetable oil in a small size. The cars getting old and I’d like to be able to tell if I have an exhaust leak in the cabin or if my diesel can’s venting pressure."

3 sizes of locking jerry cans here: https://www.cascadegerman.com/?s=je...tes=1&tags=1&sku=1&orderby=title-DESC&ixwps=1 I carry the smallest one filled with renewable diesel in my trunk. No venting.