Hebei car manufacturer with urea water bus "drink" urea, it sounds very strange. Recently, Wuxi Xihui Public Transport Co., Ltd. introduced the 10 need to add diesel vehicles for environmentally friendly buses urea solution. Eighty percent of nitrogen oxides are urea and buses in the parking lot Wuxi Xihui Zhang Jing operating unit, a maintenance staff to open the rear hood of the bus, picked up a bucket of liquid, slowly pour the filling tube inside the car . "Plus diesel vehicles for urea solution can reduce harmful emissions buses." The introduction of the new 10 Changlong passenger cars put on the whole bus 711 bus line Wuxi to Hong Kong under the car with a country Ⅳ engine, pay more attention to environmental and safety performance. These new cars appearance with the other buses is not much difference, the biggest difference is that they require periodic addition of urea. Why do you want to add urea? Many drivers in the car just to get familiar with the performance of this point when they are very curious, asking around I realized that in order to reduce exhaust pollution, so new cars are "drink" on the urea. According to reports, the 150-200 different kinds of automobile exhaust contains compounds, in which the person most harmful carbon monoxide, hydrocarbons, nitrogen oxides, particulate matter and lead compounds. Ordinary diesel in diesel engine is not prone to incomplete combustion of carbon particles, carbon monoxide and aldehydes, may even produce harm to the environment and human health, greater nitrogen oxides. The new car installation of additional storage tanks of urea, urea injector, microcomputer, piping and other equipment. Urea storage tank is filled with a mixed solution of urea and purified water. The urea as a catalyst capable of soot from diesel engine exhaust after burning the secondary decomposition of the water and carbon dioxide, reduce smoke emissions, can effectively reduce emissions. Thus, the vehicle is running, the urea solution and nitrogen oxides in the exhaust gas catalytic converter in a car in the reaction, about 80% of the nitrogen oxides can be urea and become harmless nitrogen and water vapor. After this reaction, bus discharged from the exhaust can meet Euro IV standards, the public will never see the passengers "smoke" was. The average daily per car only need to add 3-5 l of urea, cost is not high. In addition, the difference between another new car is its user-friendly design, the car seat in the last row of the middle seat belt is installed, you can hedge against the risk of sudden braking or when the vehicle due to poor road conditions encountered turbulence brought to improve the safety performance of vehicles.