Delgado, Cappello Incorporating LCA using the GREET model, the study examined the environmental impact of electrofuels produced from CO2 and low carbon H2. GHG emissions were quantified, resulting in values of 7 & -25 gCO2e/MJ, showing a potential WTW GHG emissions reduction of at least 92%. This highlights the potential of such methods to significantly reduce GHG emissions and enhance energy security.