Combination of catalyst convert er quick activation technology with absorbing technology can effectively reduce HC emission during cold starting process.
催化转换器快速起活技术与吸收技术相结合可以有效降低冷起动暖机过程的HC排放。
2
Features and emission conditions of gasoline engine cold starting process and the significance of cold starting control technology to the future emission regulations are discussed.
论述了汽油机冷起动工作过程的特点、排放状况及冷起动控制技术对满足未来排放法规的意义。
3
Emission control systems take longer to warm up and become fully operational in cold weather.