After two or three weeks without smoking, your lungs may start to feel clear, and you'll start breathing easier (AHA, 2012) . For most smokers, withdrawal symptoms dissipate about two weeks after quitting.
Use and Energy Efficiency Opportunities. Energy Use in Supermarkets. On average, supermarkets in the United States use around 50 kilowatt-hours (kWh) of electricity and 50 cubic feet of natural gas per. square foot per year â an average annual energy cost of more than $4 per square foot. For an average-size (50,000 square foot) store,
Electricity in the US cost about ten cents per kilowatt-hour. The average family uses about 10,000 kilowatt-hours per year. So that's about $1,000 per year. This is one of the reasons why alternative energy is so difficult to implement--your electricity is really a bargain.