As natural gas production rose and prices fell, utilities turned increasingly to this lower carbon source of energy sharply reducing carbon emissions. Energy Department data show that energy related carbon dioxide emissions in the first six months of 2016 were at their lowest level since 1991. The department estimates that 61 percent of the reduction in carbon dioxide emissions in the power sector from 2006 to 2014 came from switching from coal fired plants to gas fired ones.. Veloz, Mislehiby…