Add Yahoo as a preferred source to see more of our stories on Google. A map showing Navigator Heartland Greenway's pipeline route. Navigator CO2 Ventures is not yet officially pulling the plug on the ...

This story has been updated with comments from a Navigator official, comments from POET and a statement from Summit Carbon Solutions. SIOUX FALLS, S.D. (KELO) — Navigator has canceled its 1,300-mile ...

The Operator-Centred Enhancement of Awareness in Navigation Project, known as OCEAN Project, in collaboration with The Nautical Institute, has released a series of seven free training videos that ...

SIOUX CITY (KTIV/AP) - BISMARCK, N.D. (AP) — A company on Friday said it would cancel its plans for a 1,300-mile (2,092-kilometer) pipeline across five Midwestern states that would have gathered ...

This story has been further updated. FORT PIERRE, S.D. (KELO) — An executive for the proposed Navigator project said Monday that he would purchase a home along a carbon-dioxide pipeline route, ...