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Feasibility of Wedge Options. Team Simple Green January 27, 2009. End Use Efficiency. Decreasing end energy use by 25% through installation of programmable thermostats, basic weatherization if needed, and attic insulation - High feasibility, very attractive cost/benefit ratio

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feasibility of wedge options

Feasibility of Wedge Options

Team Simple Green

January 27, 2009

slide2

End Use Efficiency

Decreasing end energy use by 25% through installation of programmable thermostats, basic weatherization if needed, and attic insulation

- High feasibility, very attractive cost/benefit ratio

Most striking merit is payback time of investment:

- For typical home, material + installation costs will not exceed $2,000. At 25% reduction in energy use, typical payback time (without any incentives) will be less than 2 years

This is a no-brainer

- There are no relative weaknesses to this initiative

cap and trade air travel
Cap-and-TradeAir Travel
  • Today: 0.5 billion tons CO2/year
  • Projections for 2050 range from 0.8 to 5.3 billion tons CO2/year
    • Mid-range projection = 2.7 billion tons CO2/year
  • Merits:
    • For mid-range projection, 20% reduction in air travel could reduce CO2 emissions by 0.5 billion tons/year
    • Government revenue generation through sales transactions
  • Weaknesses:
    • Deciding number of credits and how distributed
    • Could limit economic growth
    • Political resistance to implementation
vehicle efficiency
Vehicle Efficiency
  • Increase fuel economy from 30 to 60 MPG
  • Expected increase from one billion to two billion cars
  • Maintain travel of 10,000 miles/year
  • Merits:
    • Maintain level of CO2 emissions
    • 25 billion tons CO2 emissions reduced
  • Weaknesses:
    • Enabling all countries to mandate MPG increases
slide5

Increase Wind Power 40-Fold

  • Displace coal if accounts for 30% of peak power (on average)
  • Increase world capacity from 94.1 GW to 3.76 TW
  • Government-enforced mandates to utility companies to phase in 3.669 TW of power generated by wind by 2056

Feasibility

  • Technology already available at competitive prices

NREL, 1986

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