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Can the Vehicle Still Run with Low Urea Level?

1 Answers

PiperAnn

07/30/25 1:51am

Diesel vehicles cannot operate with low urea level. The function of urea solution is to chemically react with nitrogen oxides in vehicle exhaust to produce non-toxic nitrogen and water, thereby reducing the emission of toxic gases in vehicle exhaust and minimizing pollution. The SCR solution has significant advantages in the National IV diesel vehicle exhaust emission treatment system, and automotive urea is an essential additive for the SCR solution. With the gradual implementation of the National IV emission standard for diesel vehicles in various cities, the demand for automotive urea may surge. Relevant information about vehicle emission standards is as follows: 1. Introduction: Vehicle emission standards refer to regulations on the content of harmful gases such as CO (carbon monoxide), HC+NOx (hydrocarbons and nitrogen oxides), and PM (particulate matter, soot) emitted from vehicle exhaust. 2. Implementation Status: Starting from January 1, 2004, Beijing changed the vehicle exhaust emission standard from Euro I to Euro II, and by 2008, it officially implemented the Euro III standard.

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