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![ORNL Image](/sites/default/files/styles/list_page_thumbnail/public/legacy_files/Image%20Library/Main%20Nav/ORNL/News/Features/2015/IGERT-0019_article.jpg?itok=C9JqeKsk)
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With more than 30 patents, James Klett is no stranger to success, but perhaps the Oak Ridge National Laboratory researcher’s most noteworthy achievement didn’t start out so hot – or so it seemed at the time.
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Drivers trying to get to work or home in a hurry know traffic congestion wastes a lot of time, but it also wastes a lot of fuel. In 2011, congestion caused people in US urban areas to travel an extra 5.5 billion hours and purchase an extra 2.9 billion gallons of fuel costing $121 billion. But despite the tangle of vehicles at busy intersections and interstate ramps, most of the country’s highways are open road with vehicles occupying only about 5 percent of road surface.
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![ORNL Image](/sites/default/files/styles/list_page_thumbnail/public/legacy_files/Image%20Library/Main%20Nav/ORNL/News/Features/2015/VIBEhierarchy_artcl.png?itok=lYs2ReRj)
Rechargeable lithium-ion batteries are commonly found in portable electronics such as cell phones and notebook PCs.
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As a kid in the south of France, Flora Meilleur spent her days on mountainous farmland near the High Alps.
![ORNL Image](/sites/default/files/styles/list_page_thumbnail/public/legacy_files/Image%20Library/Main%20Nav/ORNL/News/Features/2015/2015-P00294_article.jpg?itok=vKiSFjw2)
Andrew Stack, a geochemist at the Department of Energy’s Oak Ridge National Laboratory, advances understanding of the dynamics of minerals underground.