LPG bi-fuel system placed in the EFI engine is introduced in this article, the fuel change-over switch in the LPG system is to control the fuel conversion.

介绍了一种可用于电喷发动机的LPG改装系统，系统设置了燃料转换开关来控制燃料的转换。

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For hybrid power system composed of a fuel cell engine and a group of Ni-H batteries, a new control method with a bi-directional power converter is proposed.

在燃料电池发动机和镍氢电池组组成的混合动力系统中，提出了通过一个双向电源变换器实现双电源输出功率混合的控制方法。

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The system has simple structure and low cost, is the technical resolvent for traditional non-electric control diesel engine to be refit to the bi- fuel engine.

该系统结构简单，成本低，是非电控传统柴油机改装成双燃料发动机的技术解决方案。

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