What technologies could we use to replace oil?

http://answers.yahoo.com/question/?qid=20060616165836AACihbL&pa=FYd1D2bwHTHwIbpjFOg4QFp3KB.11MJTlMdMKY07aIUhCw– Geothermal power, solar power, radio signals, microwave lasers, how could we end the use of fossil fuels in the next 20 years and still have a booming economy and civilization? How do we create a balanced ecosystem on earth?… Continue Reading