As published on HRFM's CEPGI blog, results from the first quarter of 2014 reveal the CEPGI to have a value of 690 granted U.S. patents which is 225 lower than the previous quarter and 48 lower than one year prior. GM was granted the highest number of Clean Energy patents for the first quarter, taking the quarterly crown back from Toyota, leader for the fourth quarter of 2013, after GM won the annual crown for 2013. Solar patents again led the other technology sectors in the first quarter for the fourth quarter in a row - topping Fuel Cell patents by about ninety patents with Fuel Cells having dropped over 100 from the previous quarter.
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