No, not today. But you can probably remember a time when someone might have said "personal phones will never be universal. They are far too heavy and expensive!" I'm glad people kept working on it anyway.

Today America generates about 15% of its energy with renewables. There are some interesting charts on the progress here....

http://breakingenergy.com/2015/02/05/6-new-charts-that-show-us-renewable-energy-progress/