Gallery: GM Filed 135 Clean Energy Patents in 2010, More Than Any Other...


General Motors (GM) took the race for green vehicle technology to a whole new level in 2010 by filing and receiving 135 clean energy patents — more than any other automaker. According to the Clean Energy Patent Growth Index, GM was ahead of the rest of the pack, accounting for a whopping 14% of all clean energy patents filed last year. Their patent winnings ran the gamut from electric vehicles to solar, wind and geothermal energy.

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