News
December 19, 2012
According to the Department of Energy, natural gas accounts for about a quarter of the energy used in the United States.
December 18, 2012
You can green your pavement by choosing pervious or porous paving material with a high SRI.
November 5, 2012
Small wind turbines are 100 kilowatts (kW) or less and are used to power homes, small businesses, and farms.
November 5, 2012
The payback period just tells you how long it will take for your investment (the solar PV system) to pay for itself. The return on investment tells you how much money you will make on top of recovering your investment, over the lifetime of the solar PV system.
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