fuel evaporative emissions

例句：

1. 1. The car's engine produces a significant amount of fuel vapors during operation.
   汽车在运行时会产生大量的燃料蒸汽。
2. 2.The factory has strict regulations on the emission of fuel vapors to protect the environment.
   该工厂对燃料蒸汽的排放有严格的规定，以保护环境。
3. 3. The research team focused on studying the effects of fuel vapors on human health.
   研究小组专注于研究燃料蒸汽对人类健康的影响。