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Funded through the DOE, The Trail of the Chiefs is a Front-End Engineering and Design Study for CO2 Transport in the upper American West
Trail of Chiefs
Project Overview

Pipeline Route
The network will connect existing the DOE-funded North Dakota and the Dry Fork Phase III CarbonSAFE projects offering CO2 sourcing flexibility and optionality for those projects. The Trail of the Chiefs pipeline is routed to connect to the DOE-funded WyoTCH Pipeline in WY and to accommodate tie-in from a future cross-border CO2 pipeline from Canada, enabling the project to serve as a crucial link to connect multiple regional CO2 network.

FEED Study
The connectivity created by Trail of the Chiefs pipeline will de-risk individual capture and storage projects and improve economics by eliminating dependence on limited local sources and sinks. As a Front-End Engineering and Design (FEED) study to assess what open-access CO₂ pipeline could look like in this region, this project is focused on designing 785 kilometers of core trunklines connecting key hubs, enabling efficient CO₂ capture, transport, and storage across the region.
Project Purpose
The project’s goal is to accelerate and transform carbon management in the upper American West by developing an open-access pipeline network, capable of supporting 60 million tonnes of CO₂ per year. The project emphasizes regulatory compliance, safety standards, and community engagement, ensuring meaningful participation from local stakeholders, tribal communities, and workforce organizations. This effort will produce detailed engineering designs, environmental assessments, risk management plans, and community benefits strategies aimed at fostering equitable, environmentally responsible infrastructure aligned with net-zero emission goals by 2050.
Additionally, the initiative aligns with Justice40 goals, ensuring equitable benefits for disadvantaged communities and fostering well-paying jobs with fair labor practices. By leveraging regional strengths and addressing environmental justice concerns, the project aims to reduce emissions, create high-wage jobs, and ensure community engagement. Through collaboration with stakeholders, labor unions, and disadvantaged communities, Trail of the Chiefs seeks to build a scalable and equitable carbon management infrastructure while informing DOE’s national decarbonization strategies.
Timeline
The project is expected to commence in 2025, following award finalization in August 2024, and conclude within a two-year window after initialization. This two-year timeline includes feasibility analysis, detailed engineering, regulatory approvals, as well as community engagement and consultation opportunities.
Expected Products
The final deliverables include an optimized CO₂ transport network design, engineering specifications, environmental safety and health (ES&H) analysis, a comprehensive regulatory compliance plan, and a robust community benefits plan. These outputs aim to enable a Final Investment Decision (FID), supporting long-term CO₂ transport and storage across the region.



