Mauricio Gutierrez

With some of the most ambitious clean-energy goals among U.S. electric-power companies, NRG Energy sees itself as a trailblazer in the industry. But pursuing those objectives has been difficult for NRG, whose board sacked its CEO, David Crane, last December. Now, with a new boss, one of the nation’s biggest independent power companies sees itself as still on course — but taking a more cautious approach — to a greener energy future. (Read More)