What is the function of urea solution for heavy vehicles?

[Emanuel]

The purpose of using urea in vehicles is to reduce exhaust emissions. The function of vehicle urea and national policy regulations are as follows: Function of vehicle urea: The main purpose of adding urea to vehicles is to reduce exhaust emissions, as the exhaust from diesel engines mainly consists of nitrogen oxides and carbon particles. National regulations clearly stipulate: Because vehicle exhaust emissions pose significant hazards to both humans and the environment. Therefore, the National IV standard implemented in China in 2008 stipulates that diesel vehicles' emission reduction systems must use vehicle urea to reduce the hazards of vehicle exhaust.