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  • Drawing of the basic proton exchange membrane (PEM) fuel cell operation
  • Drawing of the basic solid oxide fuel cell (SOFC) operation
  • Figure showing configuration options for fuel cell utility systems
  • Figure showing source, process, storage and load options for remote renewable utility systems
  • Remote renewable hydrogen village using a fuel cell
  • Comparison of civilization's development in food and energy
  • Future driver of fuel cell powered cars