Similarly, Americans saved about 80 percent of the tax rebates sent out this summer.
By contrast, Americans in recent months have been saving about 5 percent of their disposable income.
A generation ago the average American family was able to save about 11 percent of its income.
The contract effect, by contrast, helps all consumers, saving about 0.8 percent.
Each degree of higher temperature can save about 3 percent on cooling costs.
"And it saves about 60 percent of the water used in a conventional manner."
For each degree the thermostat is turned down, the department says, you will save about 3 percent on your heating bill.
We save about 2 percent of gross national product.
This was to save costs by about 23 percent between 2008 and 2011.
The center saves about 80 percent of the birds brought in.