Tucson Electric Power (TEP) is expanding its successful Energy Star Lighting Program to make light-emitting diode (LED) bulbs available from local stores at discounts of up to 30 percent off regular retail prices. The Energy Star Lighting Program helps c
The City of Tucson, Arizona (U.S.), recently converted its municipal street lighting system from a mixture of fully shielded high- and low-pressure sodium (HPS/LPS) luminaires to fully shielded 3000 K white LED luminaires. The lighting design intended to minimize increases to skyglow in ...