Should have stopped at the first sentence as I got my dyes mixed up.The dye is added to identify the fuel for tax purposes. Off road diesel #2 and Fuel oil #2 differ only in the tax applied. K1 &K2 Kerosene are lighter than #1 and #2 diesel fuel.Off road diesel has no sulfur restrictions and CAN harm catalytic converters.As with gasoline there are differing additives applied depending on the use. I know little about these issues execpt for what I can google I have a friend retired from Shell who provides the expertise. Anyhow..what effect the 07 standards will have on us is the issue and we will just have to wait and see.My friend from shell says it will not be good news???
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