TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate, is mixed with a biodiesel fuel comprising methyl palmitate. The mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate comprises a binary phase behavior comprising one or more eutectics. Preferred Composition: The triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate are mixed to a desired molar fraction, XD, where X ranges from 0 to 1.0. Preferably: (a) the mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate comprises a eutectic at molar fraction 0.05D; (b) the mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate, comprises a maximum depression of crystallization onset at molar fraction 0.10D; (c) the mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate, comprises the optimum exhibit of crystal packing at molar fraction 0.15D; (d) the mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate comprises a singularity at approximately 0.40D and 0.75D; (e) the mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate comprises an increased stability at molar fractions of between 0.10D and 0.70D; or (f) the mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate comprises an increased stability at molar fractions at 0.10D, 0.40D and 0.70D. Preferred Parameters: The triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate, comprises an onset of crystallization at 15.5 degrees C. The mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate, comprises an onset of crystallization at 20 degrees C where the molar fraction is at 0.05D; or the mixture of triacylglycerol dimer, (E)-1-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) 18-(1-(oleoyloxy)-3-(stearoyloxy)propan-2-yl) octadec-9-enedioate and methyl palmitate, comprises an onset of crystallization at 18.3 degrees C where the molar fraction is at 0.1D. EXAMPLE - No suitable example given.