Bedding down for the long haul

Green Dragon targets classical elements to ignite 20-year quest for clean-burning fossil fuel in China

Earth, water, air and fire - few personal histories are as clearly defined by the classical elements as that of Randeep Grewal.

A trained aeronautical engineer, a second-generation miner and the son of India's first female pilot, Grewal has spent the past decades of his life extracting coal bed methane from beneath the subsurface of Central China.