1.1 ,This test method describes a qualitative procedure to measure the ability of a specific volume of engine oil to emulsify a specific added volume of combined water and simulated Ed85 fuel upon agitation in a high-speed blender and to retain this emulsified state for at least 24 ,h at temperatures of both 20 ,°,C to 25 ,°,C and –,5 ,°,C to 0 ,°,C.