Business Green: China is planning a huge increase in renewables and hopes to generate 20 per cent of its energy from clean sources by 2020, officials said yesterday. Zhang Xiaoqiang is the vice-chairman of China’s National Development and Reform Commission (NDRC), the government office responsible for masterminding China’s move towards green energy. “We are now formulating a plan for development of renewable energy,” he told The Guardian. “We can be sure we will exceed the 15 per cent …