Which Models of Bi-Fuel Vehicles Are Available in 2021?
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2021 bi-fuel vehicle models include the Elysee, Dongfeng Fengshen S30-CNG, and Emgrand. Introduction to Bi-Fuel Vehicles: Bi-fuel vehicles are equipped with two fuel supply systems: one supplies natural gas, and the other supplies liquefied petroleum gas. These two fuel supply systems deliver fuel to the combustion chamber in a predetermined ratio, where the fuels mix and burn inside the cylinder. Advantages of Bi-Fuel Vehicles: They provide stable combustion without knocking and offer convenient cold and hot starts. The storage, transportation, decompression, and combustion of compressed natural gas (CNG) occur under strict sealing conditions, minimizing the risk of leaks. Additionally, the gas cylinders undergo various destructive tests, ensuring safety and reliability. CNG combustion is safe, produces less carbon deposits, reduces vapor lock and knocking, and helps extend the lifespan of engine components. This leads to fewer maintenance requirements and significantly lowers maintenance costs. It also reduces engine oil consumption. Compared to gasoline, using CNG can greatly decrease emissions of carbon monoxide, sulfur dioxide, carbon dioxide, and other pollutants.