Environmental Studies and Forestry

Carbon intensity of global crude oil trading and market policy implications

Y. Dixit, H. El-houjeiri, et al.

This groundbreaking research conducted by Yash Dixit and colleagues uncovers the surprising variability in carbon intensities of crude oil trade, revealing potential CO₂-equivalent savings of up to 6.1 Gigatons. The findings highlight the urgent need for better emissions reporting and supply chain traceability to support decarbonization efforts.

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Abstract

This paper investigates the variability in global "well-to-refinery-entrance" carbon intensities of crude oil trade pathways. Using high-fidelity datasets, optimization algorithms, and bottom-up emission estimators, the study reveals significant variability (4.2–214.1 kg-CO₂-equivalent/barrel), highlighting the potential for CO₂-equivalent savings (1.5–6.1 Gigatons) by prioritizing low-carbon pathways. The research emphasizes the need for improved emissions reporting and supply chain traceability to inform effective decarbonization policies.

Publisher

Nature Communications

Published On

Sep 25, 2023

Authors

Yash Dixit, Hassan El-Houjeiri, Jean-Christophe Monfort, Liang Jing, Yiqi Zhang, James Littlefield, Wennan Long, Christoph Falter, Alhassan Badahdah, Joule Bergerson, Raymond L. Speth, Steven R. H. Barrett

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