Story Tips From the Department of Energy's Oak Ridge National Laboratory, November 2010

A prototype charging system for electric and hybrid vehicles is helping demonstrate a technology that could one day play a key role in the electrification of America's highways. Sapphire nanowires grow using an unexpectedly complicated reaction with oxygen atoms changing between partners in vapor, liquid and solid phases. When Fuels, Engines and Emissions Research Center researchers at ORNL achieved a 45 percent brake thermal efficiency in a multi-cylinder engine, they demonstrated a new potential for passenger-size diesel engines.

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