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| Unlikely that they are actually selling you B-100. That would mean that you would be eligible to receive the $1/gallon blenders credit. It will be either B-99.5 or B-99.9, what ever the legal dilution minimum is (one of the two). If you do the blending, you are responsible for adding the dye (if required) and paying the taxes. If you go this way, expect to spend at least $25k and probably closer to $50k for a legal dye blending system. Splash blending of dye is not allowed per IRS rules. You will be inspected and audited.
Splash blending of petroleum diesel and biodiesel generally works well when temperatures (i.e., fuel temperatures) are over 50 degrees F or so. Below that, things start getting problematic and the problems increase as the temperature falls. Biodiesel and petroleum diesel are mutually soluble but they have different densities and viscosities. So it is quite possible to fill a tank and end up with two distinct phases that will pump separately out of your fuel tank. In cold weather, a tanker truck can drive 200 miles and still pump out two separate phases that were “splash blended”. Not a good thing in cold weather. The solution is pump both biodiesel and petroleum diesel separately but simultaneously through an inline mixer and then into the fuel tank. The work-around solution is buy something like B-70 and splash blend that with petroleum diesel. Lower base blends of biodiesel (B-70, B-50, etc.) with petroleum diesel mix nicely with petroleum diesel where B-90 or B-99 does not.
That is the short answer.
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Ok-- one more time for us chemically-challenged diesel users.......
