But, a $46.5 million project will change 53,500 street lights all to Light Emitting Diodes (LED). City officials say they will save $5 million annually just in electricity costs. Plus, these LEDs seem to last forever.
In any case, Honolulu is just among a swarm of cities shifting to LEDs. Much of this activity began a decade ago. Seattle has changed color, and so soon will Atlanta.
Around 1970, the high pressure sodium vapor light began to replace mercury for economic reasons. It was initially disliked because of the orange glow. But Blue Honolulu became Orange Honolulu.
Some additional info for your files:
If you have a nicely working CFL, keep it. If you need a new bulb, LEDs now are the logical choice. CFLs are good for 8,000 hours, while LEDs should last you for more than 25,000 hours. Those hours listed left and right here can be contested.
lean in the OLED direction. Surely, that's just got to be a clue to the future of lighting.
But just when you thought OLED, owned by LG of Korea, with partner Sony of Japan, was the final answer, here came QLED of Samsung, with the Q having to do with Quantum Dot.