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.
Siblings identified as pair killed in Anoka Co. car crash, fire
They were aged 23 and 21.