E-fuel

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A 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. countable, uncountable

    "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."

Synonyms

All synonyms
electrofuel

Example

More examples

"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."

Etymology

From e- + fuel.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.