I was just curious because it seems that there are plenty of SVO naysayers, but each of them seems to advocate the use of Bio-Diesel, so I was wondering if anyone refuses to use bio for whatever reason, assuming ambient temperatures stay above the gel point. And this is transesterified VO, methyl or ethyl esters, bio-diesel, none of this "diesel secret" garbage.

I would, but I want to get my tank cleaned and be prepared to replace any leaky fuel lines/replace them preemptively before I do.

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

B20 in the tank right now. I run B99 in the summer. Not really cold enough down here for it to gel.

On B99 the engine is notably quieter and the performance loss is noticeable.

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AJ

1985 300D (SOLD)

the double-negative makes this very confusing:

no, I will not

or

Yes! I will not....???

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Look at the poll question. I probably should have made it clearer, but I decided to have the poll after I put up the title.

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1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition

Financially, I'm not that hard up to use anything but Walmart's diesel in both my rigs.

I bought all my diesels with the intention of running homebrew BD in them and have done that from the beginning.
However, for the last year I have been so busy with the rest of life that brewing has languished and WVO has been accumulating in the shed.
This spring I will start processing again.
I have no qualms about its use, short or long term.
And it smells good!

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1981 240D 143k 4 spd manual -SOLD

2004 VW Jetta TDI 5 speed 300k -still driven daily

* asterisk

WHEN it becomes LOWER in cost than petroleum based fuel.

IF it is blended with at lease a small amount of petroleum diesel.

ONLY if it's ASTM rated REAL biodiesel.

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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!

A guy around the corner from me is a Bio diesel supplier, and he runs 123 d's with his wife driving a vw tdi. They all run on Bio, and after I discussed it with him I've run a 50/50 Bio/diesel blend sometimes. Performance seems a bit off though when there is Bio in the tank.

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95 E300D working out the kinks
77 300D, 227k, station car
83 300CD 370k, gone away
89 190E 2.6- 335k, no more
79 VW FI Bus- 145k miles, summer driver
59 VW Beetle ragtop- 175k miles
12 VW Jetta- 160k miles

I'll run it at a slight premium ($$) to D2 (usually in blends as that's what's available). ASTM certified is what I buy when I can.

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1982 240D, sold 9/17/2008
1987 300D TurboW124.133 - 603.960, 722.317 - Smoke Silver Metallic / Medium Red (702/177), acquired 8/15/2009
262,715 and counting

Not interested.

I'm tired of price gouging, whether dino fuel or plant, so I'm not interested in contributing to a higher price fuel.

Further, it will have to match the energy level of dino fuel for me to be interested, I want all of the mileage and power I can get from my diesels and won't give it up to lower power fuel.

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Gone to the dark side

- Jeff

I went from 100% D2 to B99 to B20 and now I run B5. The Om 603 is happiest on a low bio level fuel - I get better mpg than on straight D2 I guess due to the higher cetane and the lubricity of B5 over D2. At high bio percentages I lose mpg and I am all about mpg as I do 1000 miles a week!

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"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
BrownHilda '79 280SL
FoxyCleopatra '99 Chevy Suburban
Scarlett 2014 Jeep Cherokee
Krystal 2004 Volvo S60
Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
Rudolf ‘86 300SDL
Bruno '81 300SD
Fritzi '84 BMW
'92 Subaru
'96 Impala SS
'71 Buick GS conv
'67 GTO conv
'63 Corvair conv
'57 Nomad

Yes, but:

Not in the winter. It gets too cold here.

Only commercially produced and sold ASTM spec biodiesel.

Usually B20, though once in a while I'll do a tank of B99 for grins.

How often depends on the price in relation to dead dinosaurs and how often I find myself in Minden, where there's actually a station that sells it.

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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar.

83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 400,xxx miles
08 Suzuki GSX-R600 M4 Slip-on 22,xxx miles
88 Jaguar XJS V12 94,xxx miles. Work in progress.

Until a bio diesel that is not an ester is produced, I will not use it.
This is based on the likelihood of polymerization of the ester under high temperatures and pressures as a competing reaction to combustion.

As motors move to high pressure injection systems, the suitability of the current bio diminishes. A new type of bio that is derived from fully saturated fat/oil and not an ester will be required.

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Grumpy Old Diesel Owners Club group

I no longer question authority, I annoy authority. More effect, less effort....

1967 230-6 auto parts car. rust bucket.
1980 300D now parts car 800k miles
1984 300D 500k miles
1987 250td 160k miles English import
2001 jeep turbo diesel 130k miles
1998 jeep tdi ~ followed me home. Needs a turbo.
1968 Ford F750 truck. 6-354 diesel conversion.
Other toys ~J.D.,Cat & GM ~ mainly earth moving

Been running a B40 blend of homebrew and D2 all winter and will be running higher percentages as temps increase until I'm running B100 for the 3 warmest months of summer...

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1984 300 Coupe TurboDiesel
Silver blue paint over navy blue interior
2nd owner & 2nd engine in an otherwise
99% original unmolested car
~210k miles on the clock

1986 Ford F250 4x4 Supercab
Charcoal & blue two tone paint over burgundy interior
Banks turbo, DRW, ZF-5 & SMF conversion
152k on the clock - actual mileage unknown

I run B20 when it is convenient and near the price of diesel. I read a study comparing lubricity of various fuels and additives. Even a small amount of bio greatly helps lubricity. Most additives did little to the point I've quit adding Power Service to my diesel ram with the (in)famous VP44.

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85SD 240K & stopped counting painted, putting bac together. 84SD 180,000. sold to a neighbor and member here but I forget his handle. The 84 is much improved from when I had it. 85TD beginning to repair to DD status. Lots of stuff to do.