Originally Posted by mikron
Saw a sign at a gas station in town, what is it.
Non-taxed diesel that is dyed red to indicate no road tax.. Major fine if DOT dips your tank and sees red fuel. Can be used in any vehicles that are not licensed for road use, farm & construction equip, boats, also government vehicles can use it (school buses, DOT trucks, etc), which are tax exempt. Technically, you could use it in your diesel generator if it used a fuel tank of its own.
By the way, the dye used in my area is usually mixed 1gallon dye to 1000 gal fuel, if there is a problem with the injection system at the fuel terminal. (I deliver diesel fuel.)