In the past seven years, Feng Weizhong has managed to save more than 1 million metric tons of standard coal for a Shanghai power company.

Feng's persistent research and innovation in energy saving, emissions reduction and safety-insurance technology in the power industry have paid dividends for the Shanghai Waigaoqiao No 3 Power Generation Co Ltd.

His efforts saw the company reach a peak of 46.5 percent net efficiency, with his innovations saving more than 1 million tons of standard coal from 2008 to 2013.