Meanings
plural e-fuels · alternative efuel
- countableuncountableA combustion fuel that is theoretically environmentally friendly and is carbon neutral. A range of combustibles that is produced by combining hydrogen from water with atmospheric carbon dioxide using renewable energy sources to make the fuels.
E-fuels can subsequently end up in any of the sectors shown, but mainly get used as transport fuels for aviation and shipping, depending on the scenario.
2021, Tom Smolinka, Jürgen Garche, editors, Electrochemical Power Sources […] , Elsevier, →ISBN, page 131 more example
Fuels produced from hydrogen can be used as straight replacements for oil and gas and can be low-carbon, if renewable electricity is used to produce these “e-fuels”. However, the research found that using the electricity directly to power cars and warm houses was far more efficient.
2021 May 6, Damian Carrington, “Using hydrogen fuel risks locking in reliance on fossil fuels, researchers warn”, in The GuardianSynonyms: electrofuel
Synonyms & antonyms
nounA combustion fuel that is theoretically environmentally friendly and is carbon neutral. A range of combustibles that is produced by combining hydrogen from water with atmospheric carbon dioxide using renewable energy sources to make the fuels.
Origin
Cite this entry
e-fuel. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/e-fuel
“e-fuel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/e-fuel. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “e-fuel,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/e-fuel.
Source: e-fuel on Wiktionary, CC BY-SA 4.0.