This activity is no charity but a viable business, servicing people who do not have access to electricity.

VOA: standard.2010.02.24

LEDs produce as much light as incandescent light bulbs but consume only 10 percent of the electricity and last many times longer.

VOA: standard.2009.12.13

But officials say electricity is still being supplied to the region through nearby power plants.

VOA: standard.2010.07.21

But there's an important difference between Europe and America: electricity in the U.S.

VOA: standard.2010.02.23

But the silicon is what converts light into electricity, so you might think using so much less silicon would reduce the electrical output, but Atwater says that's not the case.

VOA: standard.2010.02.19