May 1, 2009, 1pm PDT
This article showcases six new types of streetlights that reduce energy use in very different ways.
December 17, 2008, 11am PST
The city of Houston moves to convert all the bulbs at its traffic stops to LEDs, aiming to save energy and money.
August 10, 2008, 9am PDT
Solar sculptures light up at night to take the place of energy-intensive streetlights.