California's light bulb ban

Is there an incandescent light bulb ban?

A state by state look at light bulb bans [Interactive map]

Common incandescent light bulbs and LED retrofits by application

Answering your questions on light color and quality [Ask the expert series]

How to read a light bulb part number: incandescent lamps

What is halogen and how is it different than incandescent?

What is an incandescent light bulb and how does it work?

Light emitting diode: What is LED?

MIT’s ‘recycling light’ innovation may save the incandescent light bulb

How to calculate material savings from long-life lighting: A step-by-step guide