Renewable Energy, what is the cost?

via Watts Up With That?http://ift.tt/1Viafi3

By Andy May A key question to think about, do renewable fuels decrease fossil fuel use, or do they increase it? What are the costs of using renewable energy? The sun and wind are free, does that make wind and solar power free? Biofuels require power to plant crops, make fertilizer and spread it, harvest […]

via Watts Up With That? http://ift.tt/1Viafi3

March 13, 2017 at 03:09AM