What is a solar term treasure?

The solar term treasure is used to save fuel.

When installed in the air pipes of cars and large vehicles, effective high-tech patented substances can increase the content of active oxygen in the air entering the engine, and make the fuel burn more fully, especially when used in conjunction with Pegasus economizer or fuel-saving pills, it can balance the air-fuel ratio and make the oil receiving effect more stable, obvious and powerful. An air bag is equivalent to 3-4 oxygen-increasing active stickers. It can also be used as an oil economizer and air economizer for small vehicles alone. The fuel saving rate and gas rate can reach 5%- 18%.