Japan’s vigorous promotion of hydrogen fuel cell vehicles is mainly based on two considerations: first, to ensure energy security, and second, to reduce carbon emissions. In terms of ensuring energy security, Japan ’s primary dependence on external energy has always been very high, reaching 94.6% in 2013 after the Fukushima nuclear power plant accident stopped nuclear power generation. In order to ensure energy security, Japan has gradually adjusted its energy industry policies and promoted energy structural changes.
The superior performance and extensive supply channels of hydrogen energy have made the Japanese government decide to develop hydrogen energy and make it one of the means to improve Japan’s energy self-sufficiency rate and ensure energy security. In promoting the reduction of carbon emissions, the Japanese government promised to reduce CO2 emissions by 80% by 2050 compared to 1990.
According to estimates by Japan’s Toshiba, fuel cells can reduce CO2 emissions by 49% compared to previous home heating systems. In addition, the energy consumption of the Japanese transportation sector accounts for 20% of its total energy consumption, and almost all of it is petroleum products. Through the promotion of fuel cell vehicles, the potential for reducing CO2 emissions will be huge.