A 2.5 megawatt turbine in Rosemount will provide power for the grid and a full-scale testing ground for new technology. 3M is already planning to test a new innovation: a thin film that puts tiny ribs on the turbine blades. Researchers believe the ribs will reduce resistance and increase performance.
Donations pour in for family of pregnant mom killed in crash
An online fundraiser had raised more than $22,000 in just 16 hours.