Why bother looking for it! They will jack you just like the big oil companies do but when they do it always seems to be a little more. The Price of Diesel around me, about 5.00/gal if not more and Biodiesel is about 15 cents more they tend to trend up together. I remember before it was cool to be "Green" biodiesel was always cheaper than diesel even cheaper than gas. Now that everyone sees the dollar value in being "GREEN" they will charge you for that label. Here is and example: I go to fill up my Jetta TDI and there is an older woman waiting to fill up and she says," When did they upgrade the volkswagen to run on Biodiesel?" I reply," they didn't" and she goes,” Then how do you run Biodiesel?" I say," Are you sure you do not mean used clean grease or vegetable oil?" “No biodiesel, was it expensive to convert?" she replied. I said," I did not covert anything just changed the fuel lines."('Which I did not really have to do but I did) She had a puzzled look on her face and I realized that someone screwed her into something expensive. The good old American way. Not really that is almost gone and dead I believe.