Reuters: In a control room at the Zouxian power plant an electronic display reads the vital signs of two generators — just over one gigawatt, reads one, enough to power a million homes. The plant is China’s second biggest coal-fired power station, its managers say, guzzling 10 million tonnes of the dirty burning fuel a year. But its newest generators are also among the most efficient in the world. The gleaming units are representative of both China’s massive strides towards cleaner …