The use of alternate fuels as blending stocks becomes more attractive as the price of middle distillate fuels used in normal commercial applications increases. This is also true for military applications, where middle distillate fuels must pass more stringent requirements, such as fuel storage stability. Storage stability, defined in terms of solids formation, can plug fuel injector nozzles and filters, which can degrade engine performance. Military fuels often remain unused in storage for months and sometimes years, and during storage, middle distillate fuels can become unstable. It has now been found that soybean derived fuel, when added to presently stable and to presently unstable middle distillate fuels, improves stability and enhances storage stability significantly.
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