Fond du lac, Wis-based Mercury Marine, has earned a “Green Masters” designation from the Wisconsin Sustainable Business Council for the eighth consecutive year. The Green Masters Program measures companies on a broad range of sustainability issues, from energy and water conservation to waste management, community outreach and education. Mercury Marine’s sustainability efforts include fuel-efficient products, and water and energy conservation milestones at Mercury facilities, including a new solar panel array on the roof of its parent company’s headquarters in Belgium.