New device cuts gas engine air pollution

Two U.S. scientists say they've developed a light-weight, relatively inexpensive way of reducing unburned hydrocarbon air pollutants from gasoline engines.

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<p><a href="http://www.physorg.com/news75569776.html">New device cuts gas engine air pollution</a></p> <p>Two U.S. scientists say they've developed a light-weight, relatively inexpensive way of reducing unburned hydrocarbon air pollutants from gasoline engines. </p>