Transactions of the Society of Instrument and Control Engineers
Online ISSN : 1883-8189
Print ISSN : 0453-4654
ISSN-L : 0453-4654
Paper
The Impact of Introducing e-Fuel into the Energy System and Electrifying Mobility on Carbon Dioxide Emissions
Hirofumi ISHIURAYudai YAMASAKI
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2025 Volume 61 Issue 9 Pages 430-443

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Abstract

This study aims to examine the value of e-fuel (Electrofuels) in an energy system that includes e-fuel. In this paper, we particularly focus on verifying the contribution of e-fuel to decarbonization in the automotive sector. We conducted simulations for one year under 49 different conditions and proposed the optimal photovoltaic power generation capacity and e-fuel production patterns. The simulation results showed that there is a trade-off relationship between cost and CO2 reduction in the most ideal condition and revealed the required money to reduce 1kg-CO2. Additionally, we conducted simulations for the CO2 emissions from automobiles over 20 years towards to the carbon neutrality under 6 scenarios, combining scenarios for the electrification of automobiles, an increase in photovoltaic power generation capacity, and the introduction of e-fuel. The results showed that by the introduction of e-fuel alongside the electrification of automobiles, a 14.9% reduction in CO2 emissions from automobiles was achieved by 20 years. Over the 20-year period, a cumulative reduction of 4.2% in CO2 emissions was revealed in this paper.

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© 2025 The Society of Instrument and Control Engineers
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