Understanding both the potential and the limitations.
Minimum Lifecycle GHG Savings
Strategic Benefits
Key Challenges
Potential
Energy Density
Liquid fuels can provide high energy density for weight- and range-sensitive applications.
Storage and Transport
Energy can be stored in molecular form and transported between renewable-resource regions and demand centres.
Infrastructure Compatibility
Some pathways may use parts of existing fuel logistics, storage and distribution systems.
Existing Assets
Compatible fuels may help address emissions associated with long-lived vehicles, vessels, aircraft and industrial equipment.
Industrial Uses
E-fuels can also serve as renewable feedstocks for selected chemical and industrial applications.
Challenges
Electricity Demand
Converting electricity into hydrogen and then into another fuel introduces energy losses.
Current Cost
Production remains capital- and electricity-intensive, particularly at early commercial scale.
Limited Supply
Global production volumes remain small relative to potential future demand.
Carbon and Feedstock Integrity
The source and accounting of carbon materially affect lifecycle performance.
Competing Demand
Renewable hydrogen and e-fuels may be required by several sectors at the same time.
E-fuels should be deployed where their system value justifies their energy and resource requirements. They are a complement to direct electrification—not a universal replacement for it.
