Recent trends in the performance of tungsten-halogen and HID low beams in the U.S.

Author(s)
Sivak, M. Schoettle, B. & Flannagan, M.J.
Year
Abstract

This report (1) presents photometric data for a sample of high-intensity discharge (HID) low beams for model year 2004 vehicles in the U.S. and for the corresponding tungsten-halogen low beams manufactured for use on the same vehicles, and (2) analyzes the technological and photometric trends for low-beam headlighting in the U.S. from 1997 to 2004. There are two main findings. First, from 1997 to 2004 there was a general photometric improvement of both tungsten-halogen and HID low beams. Second, the photometric performance of the current HID low beams is superior to that of the current tungsten-halogen low beams. (Author/publisher)

Publication

Library number
20121735 ST [electronic version only]
Source

Ann Arbor, MI, The University of Michigan, Transportation Research Institute UMTRI, 2004, III + 19 p., 8 ref.; UMTRI Report ; No. UMTRI-2004-25

Publication (link)

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