bifuel system

例句：

1. 1. The new bifuel system is expected to significantly reduce emissions.
   新的双燃料系统预计将显著减少排放。
2. 2. The development of bifuel systems has been a hot topic in recent years.
   双燃料系统的开发近年来一直是热门话题。
3. 3. The bifuel system has proven to be an effective way to combat air pollution.
   双燃料系统已被证明是对抗空气污染的有效方法。