Steps to save greenhouse gas emissions by 10%

Energy Saving Step CO2 Emissions Reduced Per Year¹ Cost Saved Per Year²
Use compact fluorescent light (CFL) bulbs: Replace 1 frequently used regular light bulb with CFL (4 hours per day) 0.2% $14*
Replace 5 frequently used regular light bulbs with CFL 1% $70*
Minimize driving by 15 miles per week 1% $129
Minimize driving by 45 miles per week 3% $387
Tune up car engine and maintain correct tire pressure 2.7% $50–$100
Purchase a more fuel efficient car 3%–12% $300–$700
Set thermostat at 68° when home, 58° at night or when away 2.5% 1° per day lowers heating bill by 3%–4% or $50–$90
Use 100 kWh of renewable energy (solar, wind, geothermal…) 0.3%  
Use energy efficient furnace 4.4% Up to 20% heating bill
Use energy efficient refrigerator 1% $47–$61
Use front loading washing machine 1% Up to $80
Wash two loads of laundry per week in cold instead of hot water 1% Up to $63
Eliminate one dryer load per week 0.5% $15–$20
Run full dishwasher only to eliminate one load per week 0.3% $3–$5
Personal shower time is 5 minutes or less 0.3%  
Reduce household waste by 15 gallons per week 2.7%  
Recycle all recyclables (paper, cans, glass, plastic) 2.4%  
Fully insulate walls and attic 2.2% $245–$445 or 20%–30% heating bill

(1) Assumes annual household emission of 55,000 pounds CO2. (Source: Low Carbon Diet by David Gershon, 2007)

(2) Based on an electricity cost of .13cents per kWh


Modified: 01/24/2010