The CLEAN ENERGY PATENT GROWTH INDEX (CEPGI), published quarterly by the Cleantech Group at Heslin Rothenberg Farley & Mesiti P.C. provides an indication of the trend of innovative activity in the Clean Energy sector. Results from the third quarter of 2015 reveal the CEPGI to have a value of 916 granted U.S. patents, which is up 17 over the second quarter and down 124 compared to a year prior, but it is important to note that the comparable quarter (the third quarter of 2014) had the most granted clean energy patents so far. The quarterly Clean Energy Patent crown again belonged to Toyota - the winner of the first and second quarters and annual winner for 2014 - which topped new top contender Hyundai and Ford by five granted clean energy patents. Solar patents led all other technology sectors in the third quarter for the tenth quarter in a row. Runner up Fuel Cells trailed by over 110 patents.