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Energy efficiency

December 21, 2018
Tom Eastman commutes back and forth to his job at University of North Dakota Facilities on a bike, year-round. He's made the four-mile commute for the past nine years and does it to reduce his carbon footprint. Eric Hylden / Forum News Service
Everyday choices can affect carbon emissions
December 21, 2018 - 2:46pm
October 6, 2018
Lawmaker's View: Energy efficiency must be part of carbon-emissions equation
October 6, 2018 - 8:30pm
March 2, 2009
Fentech production worker Luke Fredrick of Superior inserts breather tubes into thermopane windows. The tubes equalize air pressure as the windows are transported. 
Clint Austin / caustin@duluthnews.com
Glass half-full: Window companies like new federal tax credits
March 2, 2009 - 12:00am
Solar blind maker keeping an eye on new tax credits
March 2, 2009 - 12:00am