Hydrogen energy utilization is expected due to its environmental and energy efficiencies. However, many issues remain to be solved in the social implementation of hydrogen energy through water electrolysis. This analyzes and compares the energy consumption and GHG emissions of fossil fuel-derived hydrogen and gasoline energy systems over their entire life cycle. The results demonstrate that for similar vehicle weights, the hydrogen energy system consumes 1.8 MJ/km less energy and emits 0.15 kg-CO 2 eq./km fewer GHG emissions than those of the gasoline energy system. Hydrogen derived from fossil fuels may contribute to future energy systems due to its stable energy supply and economic efficiency. Lowering the power source carbon content also improved the environmental and energy efficiencies of hydrogen energy derived from fossil fuels.

由于其环境和能源效率，预计氢能的利用。然而，水电解氢能的社会化实施仍有许多问题有待解决。这分析和比较了化石燃料衍生的氢和汽油能源系统在其整个生命周期中的能源消耗和温室气体排放。结果表明，对于相似的车辆重量，氢能源系统比汽油能源系统少消耗 1.8 MJ/km 的能量，排放 0.15 kg-CO 2 eq./km 的温室气体排放量。由于其稳定的能源供应和经济效率，源自化石燃料的氢可能有助于未来的能源系统。降低电源碳含量还提高了源自化石燃料的氢能的环境和能源效率。