California

A paper on rooftop solar photovoltaic (PV) capacity and market penetration in the U.S., written by three National Renewable Energy Laboratory colleagues (Easan Drury, Paul Denholm and Robert Margolis), shows that fully 1 gigawatt (GW) of the world’s 15 gigawatts of solar PV was installed in the U.S. alone by December of 2009.

Hundreds of companies are pursuing different technologies and strategies they believe will yield a winning next-generation biofuel.  To increase its odds of backing a winner, Khosla Ventures has made no less than nine investments in this sector.

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