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Pros and cons of Biodiesel

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Old 01-23-2005 | 10:53 PM
  #16  
LinearX's Avatar
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From: Hippie
Originally posted by Mark Thomas
So could I fill 1/2 tank with normal diesel and 1/2 with the bio stuff?
If you get B100, it contains no fossil fuels at all. Any of the other variants already have standard diesel mixed with them to achieve whatever level (i.e. B20) they have rated on the pump. That said, if you're getting B20 I think it would be kind of poitnless to run 50-50 since it's already been mixed with fossil diesel. I would think the only way you'd want to do mixing yourself is if you are able to get B100 and don't want to run it straight. Just a guess on my part, though, since I've not run any of it yet.
Old 01-24-2005 | 06:20 AM
  #17  
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From: Cleveland, OH
Mark you can run any blend/% you like, as long as it's warm enough outside. B20 is good to about 0F. If you are in a warmer climate, you can run higher blends. There is no trick to blending it , just dump it in..
Old 01-24-2005 | 07:48 AM
  #18  
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From: I'll look into that!
Thats kinda the thing here in texas, one day it's 70, the next 20!
Old 01-24-2005 | 08:18 AM
  #19  
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You might want to be a little cautious adding cold biodiesel to cold diesel. I've done some testing with this in glass jars to see how they mix. Unless one or both of the fluids are sufficiently warm (~50 deg or warmer) and what the ratio of bio to diesel is, they may not mix very well. The cold fuels will tend to form two layers without mixing. If you do add cold fuels together and start driving right away the agitation from the fuel cycling through the injection pump and back to the tank, along with road vibrations, should minimize this issue.
Old 01-24-2005 | 09:51 AM
  #20  
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From: Cleveland, OH
Mark - I'm pretty confident you can run b20 in texas any time of the year, it doesn't get THAT cold there.

TDIwyse is correct - it's preferable to blend with fuel temps over 60F or so, however I've done it both ways and had no problems. It all burns
Old 01-24-2005 | 10:21 AM
  #21  
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From: new york, where else?
Mark, i`m running B20 right now, and there is 2 feet of snow on the ground, and it hit 0 degrees last night Add a lil powerservice, and yer good to go
Old 01-24-2005 | 10:36 AM
  #22  
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From: I'll look into that!
When I get my truck back from the body shop I will go and try some.
Old 01-26-2005 | 06:10 PM
  #23  
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From: Hippie
Thought you guys might find this interesting. This is a submission I made to Cummins the same day I posted here. Figured you guys would like to see the response. My question is at the top, and their response follows. The one interesting part of their response, to me at least, is about environmental legislation having an effect on the sale and use of the Cummins engine. I would like to think that is a worst case scenario.


Details:
What are the implications of using any grade of Biodiesel in the new Common Rail diesel engines by Cummins? Has it beent tested in any fashion to show improvements or, conversely, an adverse affect on the fuel system and engine as a whole? Stations that sell it are starting to be more widespread and many Dodge Ram owners are going to want to know if the fuel will have a negative impact in the engine or fueling components. I would appreciate any light you can shed on biodiesel and it's application in the new Common Rail engines. Thanks.


Summary: 62596 The use of biodiesel

Solution:

Thanks for your Email message.

- Cummins Position on Biodiesel Fuels

This communication serves as a general update on Cummins position on the use of biodiesel fuel.
Background

With increased interest in emissions and reducing the use of "petroleum distillate-based fuels," some governments and regulating bodies are encouraging the use of bio-fuels. Biodiesel fuels should be considered experimental at this time. Governmental incentives and/or environmental legislation to use bio-fuels may have an impact on the sales and use of Cummins engines. This document attached below outlines Cummins criteria and parameters when using biodiesel fuel.

Warranty and Use of Biodiesel Fuel in Cummins Engines

Cummins neither, approves or disapproves the use of biodiesel fuels. Cummins is not in a position to evaluate the many variations of biodiesel fuels or other additives and their long-term effects on performance, durability, or emissions compliance of Cummins products. The use of biodiesel fuel does not affect Cummins material and workmanship warranty.

Failures caused by the use of biodiesel fuels or other fuel additives are NOT defects of workmanship and/or material as supplied by Cummins Inc. and CANNOT be compensated under the Cummins warranty.

We thank you for your interest in Cummins products. Please let us know if you need assistance in locating the nearest Cummins-authorized Dealer or Distributor Service Provider. For assistance in locating a Service Provider, feel free to use Cummins North America Dealer Locator, which can be found on Cummins website:
http://www.cummins.com/service_locator/index.cfm

Please let us know if you have other questions and if away from your computer or have a time-critical request that needs more urgent attention, feel free to call us toll-free (from North America) at 1-800-DIESELS (343-7357).

Email direct: powermaster@cummins.com

Regards,
--
Powermaster
Customer Assistance Center
Cummins, Inc.
Columbus, Indiana, USA
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