July 5, 2007
Taiwan has just announced that within the next three years they plan to convert all of their traffic lights to LED. For an estimated $7 million (US) the project will convert 420,000 lights, saving appoximately 85% of power consumption.
Once this has been completed, they plan on spending about half the above price to replace their street lights.
[via Engadget]
Inspiration to make things better.
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Errrr, not sure that this is entirely news … NYC for one has had LED Walk/Don’t Walk signs for several years now, and I believe traffic lights too.
I suspect Engadget just covered a press release. LEDs are all over the place these days; the really tough engineering challenge is pure white LEDs for auto headlights (see Lexus LS600h and Audi R8 for first applications in production vehicles).
July 6th, 2007 at 8:04 am