ASAE/ASABE EP552.2 Reporting of Fuel Properties when Testing Diesel Engines with Alternative Fuels Derived from Biological Materials
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This Engineering Practice establishes a minimum set of fuel properties that shall be included with the report of diesel engine performance on alternative fuels derived from plant oils, animal fats and other bio-based feedstocks including blends of these bio-based fuels with petroleum-derived diesel fuel. While this Engineering Practice focuses on methyl and ethyl esters (biodiesel), various other alternative fuels from many plant and animal sources may have applications as diesel engine fuels, including straight vegetable oil (not transesterified), algal biofuels, thermochemical biofuels, and various other advanced biofuels. These alternative fuels are collected and processed using a variety of methods, which can influence their physical and chemical properties. In addition, they are tested in diesel engines using a range of procedures. To facilitate comparison of test data, it is essential that some reference point or baseline be established. This Engineering Practice is designed to provide a consistent set of data for these alternative fuels when used as diesel fuel replacements, and it will help to identify deviations from normal expected fuel characteristics that have been established for petroleum-derived fuels. ..