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Old April 22nd, 2019, 07:00   #53
Veteran Member
Join Date: Apr 2001
Location: Southeast Texas
Fuel Economy: 37 MPG (~ 45% city)

Originally Posted by wensteph View Post
In trying to find an answer for something else I came across a paper by Infineum (world wide joint venture between XOM and Shell and one of the largest formulators of fuel and oil additives) on fuel borne catalysts which led to other papers. Short version is FBCs are catalysts included in fuel to cause the oxidation of soot in a DPF. Effective passive regeneration at at lower temperatures which increases time between active regenerations which would lower fuel consumption. Google fuel borne catalysts.

Perhaps Exxon is using this approach?
Good info, thanks! I had read before on the topic of FBCs but your post made me curious to look it up again. Here is a link that explains the process of regeneration at a very high level but I think is a good summery about the role of PBCs and DPFs:

What you need to know about DPF regeneration additives

I wonder if there are any of the diesel fuel additives we discuss in this forum contain components such as cerium oxide and/or platinum. Here is one that might be available to fleet operators (the article is from 2005):
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