A recent study by the Cleantech Group revealed the much lower environmental impact of e-readers – specifically the Kindle – compared to traditional publishing, but the devices still require charging from the grid. LG’s new e-reader takes care of that: it’s outfitted with its own integrated solar panel, allowing it to run on clean, renewable, solar power. The thin-film panel is 10 cm wide and just .7mm thick, adding only 20 grams to the product. The panel is 9.6 percent efficient and needs 4.5

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Solar powered e-reader makes e-books eco-friendlier