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Laser Technique Measures 'Real-Time' Auto Emissions

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LIVERMORE, Calif., March 23 -- Using a unique laser-based, soot-heating technique, a team led by researchers at Sandia National Laboratories' Combustion Research Facility (CRF) has demonstrated the ability to measure "real world" particulate emissions from a vehicle under actual driving conditions. Although on-board measurements of gaseous emissions are routine, real-time particulate measurements have been elusive -- but they are essential for validating federal emissions guidelines for vehicle compliance, Sandia said. Pete Witze, an engineer in Sandia's CRF engine combustion department,...Read full article

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    Published: March 2004
    ArtiumChevron Oronitelaser-induced incandescenceLIINational Research Council CanadaNews & Featuresparticulate emissionsSandiasoot-heatingLasers

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