Reduction of HC emissions at cold-start is a challenge in order to meet the future stringent regulations of ultra low emission vehicles ( ULEV ). 为适应欧以上汽车法规,对点燃式发动机冷起动工况下HC排放的研究已经成为目前发动机领域的热点之一。
Emission Control Technologies for Ultra - low Emission Vehicles 汽车尾气超低排放控制技术
In order to make the vehicle start smoothly at a low temperature and reduce the emission pollution caused by cold start, more and more vehicles choose to use the parking heater. 为了使车辆能在低温下顺利起动,减少车辆冷起动带来的排放污染,越来越多的车辆开始使用驻车加热器。