Evaluation of E20 fuel to deposits formation in engine combustion chambers

摘要

Five diamine additives were used for improving properties of the EtOH-contg. (20%) gasoline. The unwashed gum content in the fuel and coeff. of their degrdn. at 450 degrees C were detd. The addn. resulted in decreasing the mass of deposits and in increasing cleanliness of engine combustion chambers according to std. tests.