Three years <a href=" http://www.jasonclarke.net/essay-on-lokpal-bill/ ">use of computer in different fields essay</a> FERC nominee Ron Binz, who served as chairman of the Colorado Public Utilities Commission from 2007 to 2011, had been criticized by some conservative and free-market groups that said he was out of the mainstream because he favored renewable energy sources like wind over coal and natural gas.