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Wait, Are You Paying for My Solar Panels?

A question people ask me often is whether solar energy “makes economic sense”.  The answer, as usual, is not a simple yes/no. I will start from a very tangible example, relevant for residential rooftops: my own system, which I am installing on...

Posted February 14, 2012    

Liquid Wood, Anybody?

One of the most abundant forms of renewable energy available in the United States is wood residue from forestry operations. The carbon in wood residue is bound to go back to the atmosphere, either as carbon dioxide (CO2) as a result of combustion (...

Posted February 6, 2012