automatic fuel saving device

例句：

1. 1. The automatic fuel saving device can help reduce the amount of gasoline used in vehicles.
   自动燃油节省装置可以帮助减少车辆使用的汽油量。
2. 2. This new model car has a sophisticated automatic fuel saving device that saves energy and reduces emissions.
   这款新型汽车配备了先进的自动燃油节省装置，既节能又减排。
3. 3. The manufacturer claims that their automatic fuel saving device can significantly improve fuel efficiency.
   制造商声称他们的自动燃油节省装置可以显著提高燃油效率。