North Carolina ranked second in new solar capacity additions in 2013. The top four states were California, North Carolina, Arizona and New Jersey . . . . US carbon dioxide emissions from power plants and other energy sources were up 2% in 2013 compared to 2012, according to a preliminary estimate by the US Energy Information Administration. They are still down 10% from 2005 levels. The Obama administration has set a goal of reducing emissions by 17% from 2005 levels by 2020 . . . . The IRS audited 0.96% of individual tax returns in fiscal 2013, the lowest percentage since 2005.