LYCOS RETRIEVER 
Bulb
built 237 days ago
Bulb numbers: H4, 9004, 9007 are dual filaments. Dual filaments are used for both low and high beams. It uses 1 filament when you have your car on low beam and 2 for high beam so you get low and high beams for the price of one pair. The rest of the bulb numbers are single filaments .
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Bulbs or bulb-like plants are usually perennials. They have a period of growth and flowering. This is followed by a period of dormancy where they die back to ground level at the end of each growing season. For spring bulbs, the end of the growing season is in late spring or early summer. Spring bulbs start to grow again in the fall and flower the following growing season.
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Keep in mind that after flowering, the plant needs the green leaves to manufacture food (photosynthesis) that is stored in the bulb for next year’s growth. If the homeowner mows off the foliage early, the plant can no longer manufacture nutrient reserves for next year. This results in a small, weak bulb which will gradually decline and die out.
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"It doesn't take a lot of effort or money to switch at least one bulb in your home to an ENERGY STAR-qualified compact fluorescent -- and they last longer and produce less heat," Pitts said. "Through the Compact With Texas and my work with Reliant Energy, I want all Texans to know they have a role in protecting the environment and conserving energy, and a switch to CFLs is a simple, cost-effective place to start."
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, Vice Chair of Philips Lighting states in an exclusive interview with the EdisonReport, that a typical Compact Fluorescent Lamp (CFL) has less mercury than the mercury that would be generated to produce the energy of an equivalent incandescent bulb. Dundon stated, "One can repl.....
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The High Wattage bulbs use either a quartz bulb impregnated with a blue tint, or a blue coating on the bulb. They say that this to block out some of the spectrum which causes eyestrain. It ... gives the light a blue tint, which is invisible to the driver, but visible to oncoming traffic. Some people find this blue coloration objectionable, others think it is "cool".
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