While the rest of the world goes off to win the hearts of environmentalists (and laypeople, too) with LED light bulbs, Hitachi Lighting and Seiyu are taking the road (way) less traveled. Reportedly, the duo has collaborated in order to pop out a "bulb-shaped fluorescent lamp that can be separated into a lighting circuit unit and an arc tube unit." What this means is that the lighting circuit can be used repeatedly (up to 30,000 hours) while the arc tube simply gets replaced every 10,000 hours. The pair is hoping that the bulbs will take the place of traditional 60-watt incandescents, and considering that these only draw around 13-watts each, it's fairly easy to see how Mother Earth would just love you for making the switch. As for pricing, we're hearing that these will sell for around ¥1,500 ($14) apiece when they launch this October in Japan, so don't plan on recouping your investment in energy savings right away or anything.

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Hitachi and Seiyu develop light bulb with replaceable arc tube