Do China VI Diesel Cars Still Use Urea?
1 Answers
China VI diesel cars still use urea, but the requirements are more stringent. The basic function of automotive urea solution is to convert nitrogen oxides in vehicle exhaust into harmless nitrogen and water. Using urea solution can reduce vehicle fuel consumption, increase power, and be both energy-saving and environmentally friendly. The hazards of not adding urea in China VI vehicles include: automotive urea solution can optimize the engine and fuel consumption, reducing diesel consumption by up to 6%; conversely, prolonged non-use of automotive urea solution can lead to urea crystallization clogging pipelines, nozzles, and pump bodies, causing partial or complete system damage. The China VI Motor Vehicle Pollutant Emission Standards are established to prevent pollution from compression ignition and gas-fueled spark ignition engine vehicle exhaust, protect the ecological environment, and safeguard human health.