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 Millage of Typical Cars


Heat generated by burning various fuel sources:

Energy consumption for hot water use:

  • Colby showers run at 2 gal/min
  • Average "hot" water temperature: 105 °F
  • Average ground water ("cold"): 55 °F
  • Steam generation/water heating is approximately 85% efficient at the Colby steam plant

Electricity generation/use:

  • Electricity generation is approximately 60% efficient at the Colby steam plant
  • 1 KW/hr is equal to 3600 KJ of energy 

Manufacturing: The Secret Cost

  • Production of PET plastic (number 1 recyclable plastic) uses about 80MJ per kilogram of raw polymer, including feedstock and energy for production. (Source)
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