we are now capable of weaning ourselves off oil

http://news.stanford.edu/news/2011/january/jacobson-world-energy-012611.html

"The researchers approached the conversion with the goal that by 2030, all new energy generation would come from wind, water and solar, and by 2050, all pre-existing energy production would be converted as well."

Germany has been making a huge investment in solar energy, and generates about 18,000MW from wind.  Denmark gets about 1/2 its energy from renewable sources.  But recent economic downturns have started to pinch investment in renewables, so we'll have to see, and insist on pushing renewables.  

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