Wind farm towers rise higher above the landscape to capture more wind. Yet their blades turn more slowly.
Updated: September 10, 2012, - 09:09 PM
Silicon Energy opened a plant in Mountain Iron, Minn., last year, but has missed its first government loan payments amid slow sales.
Updated: September 04, 2012, - 09:44 PM
The long debate over storing radioactive waste next to the Prairie Island nuclear power plant is boiling up again with an old question: Is the waste ever going away?
Updated: September 03, 2012, - 09:55 AM
Joel Cannon of TenKsolar believes renewable energy can compete if given the same tax breaks long offered to the oil and gas industry.
Updated: September 01, 2012, - 04:59 PM
But the renewable energy division of the Duluth utility still needs a buyer for the electricity.
Updated: August 31, 2012, - 08:54 PM
Clearbrook, Minn., population 521, has become a busy hub for crude with pipelines that can carry 14 percent of the petroleum used in the U.S.
Updated: August 29, 2012, - 09:17 AM
Utility had planned to phase out the popular program next year.
Updated: August 28, 2012, - 09:47 PM
As ethanol producers struggle with high corn prices, Christianson & Associates has carved out a niche in the industry by collecting data on plant performance.
Updated: August 25, 2012, - 04:55 PM
Ohio business school dean received them as pay for work done for Petters.
Updated: August 23, 2012, - 07:31 PM