Look: I am eager to learn stuff I don't know--which requires actively courting and posting smart disagreement.

But as you will understand, I don't like to post things that mischaracterize and are aimed to mislead.

-- Brad Delong

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Friday, August 23, 2013

What the Hell?!? Friday - Grease Edition

No, not this




The Arthurian said...

Reverse psychology. This way they never have to *pay* to have somebody empty the container.

Jazzbumpa said...

Could be.

But that threat of prosecution sure changed my mind in a hurry.

BadTux said...

Actually, there is a big market for recycled vegetable oil. It's filtered and used to make biodiesel. In many parts of the country they pay *you* to empty the grease trap....

Jazzbumpa said...

The amusing thing a few years ago was when the school system in Minneapolis [I think] went to 20% [I think] biodiesel for school buses, but when winter hit the buses wouldn't run because the stuff turns to unpumpable wax.

Biodiesel usage is going up, and reconstituted kitchen grease [yellow grease] is about 13% of the feedstock.


You have to first saponify and re-esterize it with methanol. Not something you want to do in your garage.


BadTux said...

B20 will work just fine in winter *if* you mix it with the correct weight of diesel and put the right anti-gelling additives in it (the ones for diesel fuel will *not* work). But that's a lesson that had to be learned the hard way.