Electricity spray makes mixed gas proportion exactly to realize full combustion with valid reduction of fuel consumption and tail exhausting of waste gas,power and torque of engine are also enhanced and so is economics of vehicle remarkably.Electricity spray system of gasoline consists of sprayer,sensor and electron control union.ECU accepts temperature,thickness of mixed gas,air flux or pressure,crankshaft speed to control working status of sprayer.Beijing Beihang Tenfine Science & Techinology Co.,Ltd.and Beihang Automobile Department and other units develop this item jointly.