Germany's renewable energy sector is among the most innovative and successful worldwide. The share of electricity produced from renewable energy in Germany has increased from 6.3 percent of the national total in 2000 to about 25 percent in the first half of 2012.[1][2] In 2011 20.5% (123.5 TWh) of Germany's electricity supply (603 TWh) was produced from renewable energy sources, more than the 2010 contribution of gas-fired power plants.[3][4] In 2010, investments totaling 26 billion euros were made in Germany’s renewable energies sector. Germany has been called "the world's first major renewable energy economy".[5]
Siemens chief executive, Peter Löscher believes that Germany’s target of generating 35 per cent of its electricity from renewables by 2020 is achievable – and, most probably, profitable for Europe’s largest engineering company.
http://en.wikipedia.org/wiki/R...
As far as replacing gasolin goes, USA is actually not doing bad at all, actually pioneering it in some areas. E.g. E85:
http://en.wikipedia.org/wiki/E...