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| Clean Energy | | Visitors listen to an introduction on street lamps that use electricity yielded from wind and solar energies by a staff worker at an international clean energy expo in Beijing on February 23, 2012. The 2012 China International Clean Energy Expo promotes assistance to China's clean energy industry to sustainably develop new sources of electricity. The expo displays such technologies as wind power, photovoltaic solar power, thermal solar power and energy from biomass, as well as grid access technology and equipment (XINHUA) |
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