ESCI 1 Lecture Notes - Lecture 9: Current Biology, Guana Island, Guano
6 Jun 2020
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Document Summary
Approximately 1/3 of heated air in homes leak out the cracks and close windows/doors. Internal combustion engines are only 10% to 20% efficient. Less than 5% of energy is converted to light. Yes, 84% of all commercial energy produced in the us is wasted. 84% non-renewable fossil fuels, 7% non-renewable nuclear, 5% hydropower, geothermal, wind, and solar, 4% biomass. 9% useful energy, 7% petrochemicals, 41% unavoidable energy waste, 43% unnecessary energy waste. Average fuel economy of musical sold in the us between 1975 to 2006. Corporate average fuel economy (cafe) increased in 2011. More than 30. 2 mpg for cars today. 54. 5 by 2025 for new cars: hybrid car (electric, internal combustion engine) Fewer emissions: in our homes: insulation, eliminate air leaks, fluorescent light bulbs, smart power strips, green roofs or eco-roofs i. e the ca academy of science in san francisco. Using solar energy to provide heat and electricity. No pumps/fans to distribute the heat energy.
