The Brazilian emission regulations aim to protect the environment and human health by limiting and regulating exhaust emissions to reduce air pollution.In recent years,Brazil's emission regulations have become increasingly strict,especially for the control of exhaust emissions from light-duty vehicles.This article investigates the exhaust emissions of light-duty fuel vehicles under normal temperature conditions and summarizes a feasible detection scheme.From the preparation before the experiment to the final presentation of the test results,the application process of Brazil's exhaust emission regulations in domestic laboratories is clearly explained,providing certain guidance for laboratories to carry out export vehicle research and development work.
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