How controversial are the carbon dioxide pipelines proposed by Summit Carbon Solutions and Heartland Greenway?

Controversial enough that the Public Utilities Commission might spend weeks taking testimony when it comes time for their permitting hearings.

That’s because in the case of Summit Carbon Solutions, 400 people or entities have intervened, Public Utilities Commissioner Chris Nelson told lawmakers on the House Commerce and Energy Committee Wednesday.

“We’ve never had anything like that before,” Nelson said.

NEWS: Summit Carbon Solutions wanted a hearing in April, but opponents won more time