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October 11 -- The number of patents issued for renewable-energy technologies has risen sharply over the last decade, according to new research from MIT and the Santa Fe Institute (SFI). The study shows that investments in research and development, as well as in the growth of markets for these products, have helped to spur this dramatic growth in innovation. “We were quite surprised,” says Jessika Trancik, an assistant professor of engineering systems at MIT and a co-author of the new report, published in the journal PLoS ONE. Trancik — working with Luís Bettencourt of SFI and graduate student Jasleen Kaur from Indiana University — created a database of energy-related patents issued in more than 100 countries between 1970 and 2009, using keyword searches of the patents themselves, rather than the classifications assigned by patent offices. In all, the team examined more than 73,000 patents issued for energy-related technologies. >>View Article

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