Lighting (CFLs, Bulbs, Fixtures)

Are CFLs required to have information about their mercury content on the package?
Are LED lighting products dimmable?
Are there any Compact Fluorescent Light Bulbs (CFLs) manufactured in the US?
Are there any motion sensor lights that are ENERGY STAR certified?
Are there ENERGY STAR qualified LED replacement screw-in bulbs?
Can CFLs be used horizontally? I heard they could only be used vertically. Is this true and why?
Can CFLs be used in 3-way sockets?
Can Compact Fluorescent Light Bulbs (CFLs) be used in recessed cans, outdoor lights, or track lighting?
Can ENERGY STAR qualified CFLs be used with dimmer switches?
Can I turn my Compact Fluorescent Light Bulbs (CFLs) on and off frequently? I've been told I have to turn it on and leave it on all day.
Can I use a CFL that is not specifically designed to work in a dimmable light fixture, in a dimmable fixture as long as I don't use the dimmable feature?
Can I use a CFL with a timer?
Can I use a CFL with an electronic control such as an electronic timer, photo sensor, motion sensors, touch lamps, and remote light control?
Can I use Compact Fluorescent Light Bulbs (CFLs) in the bathroom?
Can I use my CFL in a totally enclosed fixture?
Do compact fluorescent bulbs (CFLs) use less energy than incandescent bulbs when the energy required to make the bulbs is also considered?
Do Compact Fluorescent Light Bulbs (CFLs) cause electromagnetic interference?
Do Compact Fluorescent Light Bulbs (CFLs) produce a hazardous amount of UV light?
Do ENERGY STAR qualified ceiling fans come with a warranty?
Do ENERGY STAR qualified light fixtures come with a warranty?
Do incandescent bulbs need to be recycled?
Do LEDs create heat?
Do LEDs need to be recycled like CFLs or other electronics?
Does temperature or humidity affect the life of a CFL? For example, would a CFL work in extremely cold temperatures, or extremely wet climates?
Do CFLs contain mercury?
How can I get free CFL bulbs to give away?
How do CFLs result in less mercury in the environment compared to traditional light bulbs?
How does a CFL work?
How long is the warranty for ENERGY STAR qualified CFLs?
How much do ENERGY STAR qualified CFLs cost?