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Aviation carbon emissions per unit of energy used worldwide from 1990 to 2021 (in grams of carbon dioxide equivalent per megajoule)

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Sources

Release date

April 2024

Region

Worldwide

Survey time period

1990 to 2021

Special properties

From tank to wake, excluding fuel production emissions.

Citation formats

Aviation carbon emissions per unit of energy 1990-2021

Published by ÌÇÐÄÆƽâ°æ Research Department, Nov 6, 2024

On average, flying emitted *** grams of carbon dioxide equvalent per unit of energy (gCOâ‚‚e per MJ) in 2021. The amount of carbon emitted by aviation per unit of energy has not changed since 1990, owing to the industry still burning jet fuel that releases the same amount of COâ‚‚ when burned. The shift toward alternative aviation fuels, such as SAF and hydrogen propulsion, could help significantly reduce aviation emissions over the coming decades.

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Topics

Aviation emissions worldwidePassenger airlinesGreenhouse gas emissions worldwideAir transportation worldwideAir transportation in the U.S.
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