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 prices tend to rise during peak usage months in the summer and winter. The average retail electricity cost per kwh in the United States in 2010 was 9.88 cents. The average electricity cost per kwh by type of utility customer were: Residential: 11.6Â¢.