Chances are you know how many miles your car logs for each gallon or tankful of gas, but you probably have only a foggy idea of how much energy your house consumes, even though home energy expenditures often account for a larger share of the household budget.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/z...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/z...