Electrofuel

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Electrofuels, also known as e-fuels, a class of synthetic fuels, are a type of drop-in replacement fuel. They are manufactured using captured carbon dioxide or carbon monoxide, together with hydrogen obtained from water split by low-carbon electricity sources such as wind, solar and nuclear power.^{[1]: 7 [2]}

The process uses carbon dioxide in manufacturing and releases around the same amount of carbon dioxide into the air when the fuel is burned, for an overall low carbon footprint. Electrofuels are thus an option for reducing greenhouse gas emissions from transport, particularly for long-distance freight, marine, and air transport.^{[1]: 9–13}

The primary targets are methanol, and diesel, but include other alcohols and carbon-containing gases such as methane and butane.