By PHIL MULKINS Dear Action Line: As spray polyurethane foam helps homeowners qualify for energy saving tax credits and rebates, what are its attributes and applications? - M.K., Tulsa. "Spray polyurethane foam insulation provides many benefits, including lower energy costs...

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Automakers are in the uncomfortable position of building mostly at a loss a class of small electric cars that garner a lot of attention but few sales just to satisfy rules imposed by one state, California. As a result, they've acquired the name "compliance cars." ...

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KNOXVILLE -- The University of Tennessee and Oak Ridge National Laboratory hired the 11th joint Governor's Chair, an advanced manufacturing expert from Ohio State University. Sudarsanam Suresh Babu, a professor in the Welding Engineering Program in the Department of Materials Science and Engineering, has conducted research that...

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U.S. researchers report they've designed a low-cost, long-life battery that could enable solar and wind energy to become major suppliers to the electrical grid. Currently, the researchers said, the nation's electrical grid cannot tolerate large and sudden power fluctuations caused by wide swings in sunlight and wind,...

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Tools as small as a dust speck, can perform biopsies in narrow conduits in the body to find signs of cancer or other diseases, U.S. researchers say. Engineers at Johns Hopkins University say the tiny tools require no batteries, wires or tethers and have been successfully used...

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