The renewable energy Production Tax Credit (PTC) has helped spur private investment in projects that help American workers make more of our energy right here at home, and North Dakota has seen the benefits. For instance, when the leading wind turbine manufacturer LM Wind Power announced it was hiring hundreds of workers in the state...The renewable energy Production Tax Credit (PTC) has helped spur private investment in projects that help American workers make more of our energy right here at home, and North Dakota has seen the benefits. For instance, when the leading wind turbine manufacturer LM Wind Power announced it was hiring hundreds of workers in the state...