Greenwire: The leader of the Department of Energy effort to drive down the cost of solar power enjoys a big challenge.
When Lidija Sekaric was recruited for the SunShot initiative in 2010, she turned up her nose at the program's goal -- lowering the installed cost of solar from $2 a watt to 50 cents by 2020.
"We were not ambitious enough for her," then-Director Minh Le recalled in a recent interview. "I pitch it to her that we are going to reduce costs by 75 percent, and her immediate reaction -- with...