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中学生英语演讲稿the great race

me and lots of it. wonderful,
  abundant, clean, renewable, sustainable power. we need to be about the
  task of finding alternative fuels and energy sources. in the mean time, we
  need to wan ourselves from dependence on mid-east oil, use our oil, use
  our oil more efficiently and, almost as an afterthought, lower levels of
  pollution from our vehicles.
  efficiency and cleanliness, while perhaps being next to godliness, have
  lately taken a back seat to security. however, research and development
  efforts are mutually beneficial. the next generation of fuel will be both
  cleaner and locally made. major auto manufacturers and oil companies have
  often been seen as part of the problem (we can't buy what they refuse to
  make). but, from their perspective, they can't sell what we don't want to
  buy.. to them, it is our penchant for gas-guzzling sports utility vehicles
  that is dangerous, wasteful and suddenly unpatriotic.
  hydrogen sources and supply infrastructure
  hydrogen is abundant, but there are supply problems. hydrogen is almost
  never found in its pure form. it is already combined with other elements
  to form water or any number of organic compounds. to get pure hydrogen,
  you have to separate it from something. in the case of water, the process
  is called electrolysis. in hydrocarbon fuels, it is called reformation.
  although hydrogen has been successfully reformed from all major fuels,
  

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