A handful of industrial biotechnology companies have the strength and purpose to make it as a public company — others remain private, are acquired, or wind down. What makes companies able to succeed with public investors? What combination of product mix, experienced management, technologies that excel, capital at work, and effective vision make it possible to survive in the roughest, toughest and most lucrative market there is, the pool of capital from the investing public? All this week, the Digest is presenting the leading publicly-traded bioeconomy companies and their stories, as they have learned to tell them. Today, Opal Fuels.