eli5 What are the downsides of taking a diesel powered truck and converting it to run on used cooking oil?

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I’ve seen it done before and was wondering if it’d be worthwhile investment to add kitchen oil removal to my existing family’s trash service and basically get paid to collect fuel for my garbage trucks.

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27 Answers

Anonymous 0 Comments

Virtually all restaurants use hydrogenated oil so you would actually have to refine it instead of doing the heated dual tank old school way.

Anonymous 0 Comments

Yes I remember seeing one too way back in the day. For the average person I think the biggest hassle is actually getting the oil… most restaurants already have a contractual service agreement to handle their oil waste and they aren’t going to bother dealing with some random joe. But it sounds like you might have that covered.

Anonymous 0 Comments

Yes I remember seeing one too way back in the day. For the average person I think the biggest hassle is actually getting the oil… most restaurants already have a contractual service agreement to handle their oil waste and they aren’t going to bother dealing with some random joe. But it sounds like you might have that covered.

Anonymous 0 Comments

Yes I remember seeing one too way back in the day. For the average person I think the biggest hassle is actually getting the oil… most restaurants already have a contractual service agreement to handle their oil waste and they aren’t going to bother dealing with some random joe. But it sounds like you might have that covered.

Anonymous 0 Comments

One thing I don’t see mentioned yet is that vegetable oil is technically fat. The important distinction here is that it contains triglycerides, which have a tendency to gum things up, particularly if it doesn’t stay flowing.

Waste oils in general are considered inappropriate for direct-injected diesels, although you may get away with diluting them in pure diesel after properly decontaminating them. The older mechanical diesels are much more tolerant, but you still have to deal with decontamination, gumming, gelling in cold temps, and viscosity in general.

Anonymous 0 Comments

One thing I don’t see mentioned yet is that vegetable oil is technically fat. The important distinction here is that it contains triglycerides, which have a tendency to gum things up, particularly if it doesn’t stay flowing.

Waste oils in general are considered inappropriate for direct-injected diesels, although you may get away with diluting them in pure diesel after properly decontaminating them. The older mechanical diesels are much more tolerant, but you still have to deal with decontamination, gumming, gelling in cold temps, and viscosity in general.

Anonymous 0 Comments

One thing I don’t see mentioned yet is that vegetable oil is technically fat. The important distinction here is that it contains triglycerides, which have a tendency to gum things up, particularly if it doesn’t stay flowing.

Waste oils in general are considered inappropriate for direct-injected diesels, although you may get away with diluting them in pure diesel after properly decontaminating them. The older mechanical diesels are much more tolerant, but you still have to deal with decontamination, gumming, gelling in cold temps, and viscosity in general.