Minnesota regulators voted to advance an environmental review for Summit Carbon's pipeline project.
The project aims to transport CO2 emissions from Midwest ethanol plants to underground storage in North Dakota.
The $5.5B, 2,000-mile pipeline faces challenges, with North Dakota and South Dakota regulators expressing concerns.
Iowa and South Dakota have begun hearings to assess the project's viability.
Minnesota Public Utilities Commission unanimously approved a draft plan for a pipeline segment.
Debate arises over whether Minnesota's review is justified amid North Dakota's rejection of permits.
Summit plans to appeal North Dakota's decision and expects to address concerns.
Further pipeline expansion is anticipated, sparking ongoing environmental and energy debates.