BEIJING, June 25 (Xinhua) -- A team of Chinese scientists has developed a groundbreaking device capable of converting the friction between vehicle tires and roads into clean electricity.

NANJING, June 25 (Xinhua) -- At a biomass power plant in the city of Xuzhou, east China's Jiangsu Province, giant mechanical claws repeatedly feed bundles of dried straw onto conveyor belts. The straw ...

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