This study evaluated the power consumption of traditional and LED-based exterior lighting systems on passenger vehicles, examining nominal consumption as well as realistic consumption based on real-world usage patterns of various lighting equipment. The results indicate that an all-LED system employing the current generation of LEDs would result in general power savings of about 50% (nighttime) to about 75% (daytime) over a traditional system. The effect on long-term savings for the LED system depends upon the type of vehicle in use (gasoline-powered vs. electric). While the long-term fuelcost savings (dollars) were higher for the gasoline-powered vehicle, long-term distance savings (range) favored the electric vehicle. Also presented are calculations of potential savings for two different scenarios of future improvements in LED power consumption.


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    Title :

    LEDS and Power Consumption of Exterior Automotive Lighting: Implications for Gasoline and Electric Vehicles


    Contributors:
    B. Schoettle (author) / M. Sivak (author) / Y. Fujiyama (author)

    Publication date :

    2008


    Size :

    24 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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