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With each month that passes, a solar panel gets 2 or 3 percent cheaper. So while we're holding the fossil fuel industry in check, the engineers in the renewable energy world are undercutting them from the other side.

"Environmentalists Cheer Keystone XL Pipeline Decision As 'Decisive Moment'". "All Things Considered" with Kelly McEvers, www.npr.org. November 6, 2015.
With each month that passes, a solar panel gets 2 or 3 percent cheaper. So while we're holding the fossil fuel industry in check, the engineers in the renewable energy world are undercutting them from the other side.