Electronics & Test

Slideshow: LEDs Help Ring In the Holidays

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Charles Murray
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LEDs on vehicles
Charles Murray   1/12/2012 8:31:53 PM
Regarding the use on autos and trucks: The move to LEDs was more obvious at this year's Detroit Auto Show. The new Dodge Dart uses 152 LEDs on the back lights and triunk decklid. Numerous cars were using them in the interiors. Most of the hybrids (hybrid engineers are obsessive about power draw in hybrids) used them on the rear lights and interiors.  

Jack Rupert, PE
User Rank
Re: Moral Hazard?
Jack Rupert, PE   1/22/2012 1:53:30 PM
Ann, the problem is not the profit motive, it's the lack of meaningful competition.  (It's pretty much the same with our public water utility - where we pay the water rate, then about double for a "sewer charge").  Then you have government regulation mandating that you "save electricity" which does nothing for saving dollars.

Ann R. Thryft
User Rank
Re: Moral Hazard?
Ann R. Thryft   1/23/2012 12:56:44 PM

Jack, sorry to hear that. When I lived in LA several years ago, the municipally owned Department of Water and Power had really low rates over a long period of time and well maintained infrastructure. I was surprised, having grown up with profit-seeking monopoly PG&E, and also knowing what I knew about the really dirty dealings involved in LA's early water history. Also, there are municipally owned water districts in the San Francisco Bay area that are well known for characteristics similar to those of LA's DWP. I have heard that the beneficence (or not) of municipal ownership varies widely depending on state.

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