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April 28, 2017
FILE PHOTO: Construction equipment sits near a Dakota Access Pipeline construction site off County Road 135 near the town of Cannon Ball, North Dakota, U.S. on October 30, 2016. REUTERS/Josh Morgan/File Photo
U.S. pipeline regulator raises penalties for safety violations
April 28, 2017 - 2:28pm
April 19, 2017
Wind turbines generating electricity
Minnesota wind power expands
April 19, 2017 - 5:52pm
April 16, 2017
The Memo: What to know in business this week for April 17
April 16, 2017 - 9:00pm
April 12, 2017
The Duluth steam plant has converted two of its four boilers to run on natural gas -- an improvement that should enable it to reduce its coal consumption by an estimated 20,638 tons this year. (Clint Austin / caustin@duluthnews.com)
Duluth curbs coal consumption at steam plant
April 12, 2017 - 6:32pm
April 11, 2017
Virginia Public Utilities pays state pollution penalty
April 11, 2017 - 5:12pm
April 5, 2017
The Robert W Scherer Power Plant, a coal-fired electricity plant operated by Georgia Power, a subsidiary of the Southern Company, in Juliette, Georgia, U.S. April 1, 2017. REUTERS/Chris Aluka Berry
President Trump declares end to 'war on coal,' but utilities aren't listening
April 5, 2017 - 2:59pm
April 3, 2017
The Enbridge Tower is pictured on Jasper Avenue in Edmonton. (2012 file / Reuters)
Enbridge Line 3 environmental review will be late
April 3, 2017 - 8:45pm
March 24, 2017
Duluth landmarks to go dark on Saturday night
March 24, 2017 - 9:48pm
President Donald Trump smiles after announcing a permit for the Keystone XL oil pipeline while TransCanada Chief Executive Officer Russell Girling, left, U.S. Commerce Secretary Wilbur Ross and U.S. Energy Secretary Rick Perry, right, stand beside him at the White House Friday. Kevin Lamarque / Reuters
Pipeline opponents vow fight as Trump approves Keystone XL
March 24, 2017 - 1:39pm
March 23, 2017
An Enbridge oil tank near Berthold, N.D. (2014 file / Forum News Service)
Enbridge layoffs have 'limited' local effect
March 23, 2017 - 5:10pm
March 21, 2017
A farmer combines corn in western Minnesota. (file / News Tribune)
Habitat loss highest near ethanol plants
March 21, 2017 - 6:28pm
March 17, 2017
Calumet Specialty Products in Superior. (Superior Telegram file photo)
Calumet mum on possible sale of Superior refinery
March 17, 2017 - 1:45pm
March 16, 2017
Minnesota Power's Bison Wind Energy Center in North Dakota. Another Allete subsidiary, Allete Clean Energy, is building a new wind farm in North Dakota. Courtesy Minnesota Power
Allete to build new North Dakota wind farm
March 16, 2017 - 5:50pm
March 7, 2017
Hold on to your hat! Wind gusting to more than 50 mph
March 7, 2017 - 5:08pm
Two of a band of wild horses graze in the Nephi Wash area outside Enterprise, Utah, April 10, 2014. REUTERS/Jim Urquhart
U.S. Senate revokes Obama federal land-planning rule
March 7, 2017 - 4:14pm
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