How Streetlights Became the Darling of City Hall  By Russ Banham
When economic times are tough, just about everyone looks for new
ways to cut costs. Cities are usually no different than people
in this regard, except their operating costs are exponentially
higher and aren't improved by skipping lattes after lunch.
Instead, municipalities often have to make more painful cuts,
like trimming public services, but there are alternatives that
can generate significant, long-term savings while also allowing
for upgrades and improvements to existing services. One that's
growing in popularity: energy-saving light emitting diode (LED)
lights as replacements for outdated energy-draining
streetlights.  No rational city official would dispute the long-
term savings that can be realized by replacing more typical
high-pressure sodium (HPS) street lamps (which include a bulb
and a fixture) with LED streetlights. Upgrading to LED
streetlights—which are bulbless, solid-state fixtures equipped
with multiple light-emitting diodes—