Mukesh Ambani, chairman and managing director of the Reliance Industries. (Photographer: Dhiraj Singh/Bloomberg)
(Bloomberg Businessweek) -- Along the Arabian Sea, the Indian city of Jamnagar is a money-making machine for Asia’s richest man, Mukesh Ambani, processing crude oil into fuel, plastics and chemicals. It’s also where the billionaire is making his newest bet: a $10 billion investment in green energy.